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Charles WilliamsCS362Unit 3 Discussion Board
Structured Query Language for Data Management 1
Structured Query Language for Data Management 36-04-
17
Table of Contents
Phase 1- Database Design and DDL 3
Business Rules & Entity Tables 3
Entity Tables: 4
SQL CODE: 4
Screenshots: 8
Phase 2 – Security and DML 13
Task 1 14
Task 2 15
Task 3 16
Task 4 17
Task 5 18
Phase 3 - DML (Select) and Procedures 19
Task 1 19
Task 2 20
Task 3 21
Task 4 22
Task 5 23
Phase 4 – Architecture, Indexes 27
Step 1: CREATE TABLE [Degrees] 27
Step 2: Re-create ‘Classes’ TABLE to add ‘DegreeID’ column
and INSERT 6 classes 29
Step 3: ALTER TABLE [Students] 31
Step 5: DML script to INSERT INTO the ‘Students’ table
‘DegreeID’ data 33
Step 6: Display ERD 36
Phase 5 – Views, Transactions, Testing and Performance37
References 38
Phase 1- Database Design and DDL
I contracted to design and develop a database for CTU
that will store individual and confidential university data. This
database is required to give the back-end engineering to a front-
end web application with an instinctive User/Interface (U/I) to
be utilized by the college HR office. We've chosen to utilize
Microsoft SQL Server 2012 given the way of information to be
put away because it will be more secure, and it additionally
gives a suite of server upkeep apparatuses to be deserted with
the IT Department once the database and web application have
been tried and acknowledged by college partners.
Amid our preparatory gatherings, CTU's necessities
were characterized and enough perused to start making of the
database. The accompanying areas contain the business tenets
and element tables created amid the preparatory gatherings, and
additionally duplicates of all the SQL code used to manufacture
the database and make the Entity Relationship Diagram (ERD).
Business Rules & Entity Tables
Business Rules:
· A student has a name, a birth date, and gender.
· You must track the date the student started at the university
and his or her current GPA, as well as be able to inactivate him
or her without deleting information.
· For advising purposes, store the student's background/bio
information. This is like a little story.
· An advisor has a name and an e-mail address.
· Students are assigned to one advisor, but one advisor may
service multiple students.
· A class has a class code, name, and description.
· You need to indicate the specific classes a student is
taking/has taken at the university. Track the date the student
started a specific class and the grade earned in that class.
· Each class that a student takes has 4 assignments. Each
assignment is worth 100 points.Entity Tables:
SQL CODE:
Create Database:
CREATE DATABASE [Cameron_CTU]
CONTAINMENT = NONE
ON PRIMARY
( NAME = N'Cameron_CTU', FILENAME = N'c:Program
FilesMicrosoft SQL
ServerMSSQL11.SCAMERON_CTUMSSQLDATACameron_
CTU.mdf' , SIZE = 3072KB , FILEGROWTH = 1024KB )
LOG ON
( NAME = N'Cameron_CTU_log', FILENAME = N'c:Program
FilesMicrosoft SQL
ServerMSSQL11.SCAMERON_CTUMSSQLDATACameron_
CTU_log.ldf' , SIZE = 1024KB , FILEGROWTH = 01% )
GO
ALTER DATABASE [Cameron_CTU] SET
COMPATIBILITY_LEVEL = 110
GO
ALTER DATABASE [Cameron_CTU] SET
ANSI_NULL_DEFAULT OFF
GO
ALTER DATABASE [Cameron_CTU] SET ANSI_NULLS OFF
GO
ALTER DATABASE [Cameron_CTU] SET ANSI_PADDING
OFF
GO
ALTER DATABASE [Cameron_CTU] SET ANSI_WARNINGS
OFF
GO
ALTER DATABASE [Cameron_CTU] SET ARITHABORT OFF
GO
ALTER DATABASE [Cameron_CTU] SET AUTO_CLOSE OFF
GO
ALTER DATABASE [Cameron_CTU] SET
AUTO_CREATE_STATISTICS ON
GO
ALTER DATABASE [Cameron_CTU] SET AUTO_SHRINK
OFF
GO
ALTER DATABASE [Cameron_CTU] SET
AUTO_UPDATE_STATISTICS ON
GO
ALTER DATABASE [Cameron_CTU] SET
CURSOR_CLOSE_ON_COMMIT OFF
GO
ALTER DATABASE [Cameron_CTU] SET
CURSOR_DEFAULT GLOBAL
GO
ALTER DATABASE [Cameron_CTU] SET
CONCAT_NULL_YIELDS_NULL OFF
GO
ALTER DATABASE [Cameron_CTU] SET
NUMERIC_ROUNDABORT OFF
GO
ALTER DATABASE [Cameron_CTU] SET
QUOTED_IDENTIFIER OFF
GO
ALTER DATABASE [Cameron_CTU] SET
RECURSIVE_TRIGGERS OFF
GO
ALTER DATABASE [Cameron_CTU] SET
DISABLE_BROKER
GO
ALTER DATABASE [Cameron_CTU] SET
AUTO_UPDATE_STATISTICS_ASYNC OFF
GO
ALTER DATABASE [Cameron_CTU] SET
DATE_CORRELATION_OPTIMIZATION OFF
GO
ALTER DATABASE [Cameron_CTU] SET
PARAMETERIZATION SIMPLE
GO
ALTER DATABASE [Cameron_CTU] SET
READ_COMMITTED_SNAPSHOT OFF
GO
ALTER DATABASE [Cameron_CTU] SET READ_WRITE
GO
ALTER DATABASE [Cameron_CTU] SET RECOVERY
SIMPLE
GO
ALTER DATABASE [Cameron_CTU] SET MULTI_USER
GO
ALTER DATABASE [Cameron_CTU] SET PAGE_VERIFY
CHECKSUM
GO
ALTER DATABASE [Cameron_CTU] SET
TARGET_RECOVERY_TIME = 0 SECONDS
GO
USE [Cameron_CTU]
GO
IF NOT EXISTS (SELECT name FROM sys.filegroups WHERE
is_default=1 AND name = N'PRIMARY') ALTER DATABASE
[Cameron_CTU] MODIFY FILEGROUP [PRIMARY]
DEFAULT
GO
Create Students Table:
CREATE TABLE [dbo].[Students]
(
[StudentID] [int] IDENTITY(1,1) PRIMARY KEY NOT
NULL,
[FistName] [varchar](255) NOT NULL,
[LastName] [varchar](255) NOT NULL,
[BirthDate] [date] NOT NULL,
[Gender] [char](1) NOT NULL,
[StartDate] [date] NOT NULL,
[GPA] [numeric](4, 0) NOT NULL,
[IsActive] [varchar](50) NOT NULL,
[Bio] [varchar](255) NOT NULL,
[AdvisorID] [int] NOT NULL,
)
Create Advisors Table:
CREATE TABLE [dbo].[Advisors]
(
[AdvisorID] [int] IDENTITY(1,1) PRIMARY KEY NOT
NULL,
[FirstName] [varchar](50) NOT NULL,
[LastName] [varchar](50) NOT NULL,
[EmailAddr] [varchar](100) NOT NULL,
)
Create Classes Table:
CREATE TABLE [dbo].[Classes]
(
[ClassID] [int] IDENTITY(1,1) PRIMARY KEY NOT
NULL,
[ClassCode] [varchar](50) NOT NULL,
[ClassName] [varchar](100) NOT NULL,
[Description] [varchar](300) NOT NULL,
)
Create Students_Classes Table and make ‘AdvisorID’ and
‘DegreeID’ FOREIGN KEYS, and make ‘StudentID’ a
FOREIGN KEY on the Students_Classes table.
USE Cameron_CTU
CREATE TABLE Students
(StudentID INT IDENTITY PRIMARY KEY NOT NULL,
FirstName VARCHAR(35) NOT NULL,
LastName VARCHAR(30) NOT NULL,
BirthDate DATE NOT NULL,
Gender CHAR(1) NOT NULL,
StartDate DATE,
GPA DECIMAL(4,2),
IsActive CHAR(3) NOT NULL,
Bio VARCHAR(3000),
AdvisorID [int],
DegreeID [int] NOT NULL,
)
ALTER TABLE Students
ADD FOREIGN KEY (AdvisorID)
REFERENCES Advisors ([AdvisorID])
GO
ALTER TABLE Students
ADD FOREIGN KEY ([DegreeID])
REFERENCES Degrees ([DegreeID])
GO
ALTER TABLE Students_Classes
ADD FOREIGN KEY (StudentID)
REFERENCES Students(StudentID)
Once the relationships have been established, the ERD can be
created
New DML script to add required constraints for GPA, Gender,
and Assignments1 – Assignments4
USE Cameron_CTU
ALTER TABLE Students
ADD CONSTRAINT chkGPA
CHECK (GPA BETWEEN 0.00 and 4.00);
ALTER TABLE Students
ADD CONSTRAINT chkGender
CHECK (Gender IN ('M', 'F'));
ALTER TABLE Students_Classes
ADD CONSTRAINT chkAssignment1
CHECK (Assignment1 BETWEEN
0 AND 100);
ALTER TABLE Students_Classes
ADD CONSTRAINT chkAssignment2
CHECK (Assignment2 BETWEEN
0 AND 100);
ALTER TABLE Students_Classes
ADD CONSTRAINT chkAssignment3
CHECK (Assignment3 BETWEEN
0 AND 100);
ALTER TABLE Students_Classes
ADD CONSTRAINT chkAssignment4
CHECK (Assignment4 BETWEEN
0 AND 100);
This section contains screenshots of the query windows once the
code was executed successfully.Screenshots:
Create Database:
Create Students Table with FOREIGN KEYS:
Create Advisors Table:
Create Classes Table:
Create Students_Classes Table:
Alter [Students_Classes] & [Students] Tables to assign Foreign
Keys to them, which are PRIMARY KEYS on the referenced
tables. Once the relationships have been established, the ERD
can be created
New DML script to add required constraints for GPA, Gender,
and Assignments1 – Assignments4
New Database Diagram: ERD
Phase 2 – Security and DML
Carrying on from Phase 1 undertakings of making our college
database, with the four tables of Students, Advisors, Classes,
and Students_Classes, Phase 2 calls for information to be
embedded, erased, and refreshed. The INSERT articulation has
two approaches to enter. The positional embed embeds
requested esteems into another line in a similar request of the
table segments. A named-section embed names the correct
segment where each esteem's embedded into another line. Its
great practice to utilize a named-segment embed, which permits
your SQL code to work if the table's sections are reordered or
another segment is included. You would utilize INSERT
VALUES to determine segment esteems, and INSERT SELECT
to embed columns from another table. Some DBMS don't make
it obligatory to utilize the INTO watchword after the INSERT
articulation; be that as it may, you ought to utilize it for its
transportability abilities. (Fehily, 2008)
The UPDATE explanation is utilized to change esteems in a
table's current columns. You should be extremely careful when
utilizing the refresh explanation on the grounds that on the off
chance that you neglect to include the "WHERE" statement, you
will refresh all lines rather than simply your objective columns.
Keep in mind that each refreshed esteem needs to have similar
information sort or be absolutely convertible to an
indistinguishable sort from its segment. (Fehily, 2008)
The DELETE explanation is somewhat more capable in light of
the fact that it’s used to erase a whole line, not just a segment
or sections. You can erase only one or all columns of a table, so
be mindful of the erase explanation moreover. Without the
WHERE proviso, every single table column will be erased.
(Fehily, 2008)
Task 1
The first task was to insert data into four rows of the Classes
table. The following SQL code is what I used to accomplish the
task, followed by the screenshot of the query being executed
successfully.
INSERT INTO [Cameron_CTU].[DBO].[Classes]
( [ClassCode], [ClassName], [Description] )
VALUES
( 'ACCT306', 'Accounting 1', 'This course introduces
accounting concepts and explores the accounting environment.
It covers the basic structure of accounting, how to
maintain accounts, use account balances to prepare financial
statements, and complete the accounting cycle. It
also introduces the concept of internal control and how to
account for assets.' ),
( 'CS362', 'Structured Query Language for Data
Management', 'This course gives complete coverage of SQL,
with an emphasis on storage,
retrieval, and manipulation of data.' ),
( 'ENGL115', 'English Composition', 'In this course,
students focus on developing writing skills through practice and
revision.
Students will examine expository, critical, and
persuasive essay techniques.' ),
( 'FIN322', 'Investments', 'This course focuses on
investments and investment strategies. Various investment
vehicles such as stocks,
bonds, and commodities are examined. Students
will explore the principles of security analysis and valuation.' )
(Fehily, 2008)
Task 2
The second task was to insert data into three rows of the
Advisors table. The following SQL code is what I used to
accomplish the task, followed by the screenshot of the query
being executed successfully.
INSERT INTO [dbo].[Advisors]
( [FirstName],
[LastName],
[EmailAddr] )
VALUES
( 'Fred', 'Stone', '[email protected]' ),
( 'Bob', 'Gordon', '[email protected]' ),
( 'Jack', 'Simpson', '[email protected]')
(Fehily, 2008)
Task 3
The third task was to insert data into four rows of the Students
table. The following SQL code is what I used to accomplish the
task, followed by the screenshot of the query being executed
successfully.
INSERT INTO [dbo].[Students]
( [FirstName],
[LastName],
[BirthDate],
[Gender],
[StartDate],
[GPA],
[IsActive],
[Bio],
[AdvisorID] )
VALUES
( 'Craig', 'Franklin', '1970-03-15', 'm', '2010-05-30', 3.10, 'Yes',
'', 3 ),
( 'Harriet', 'Smith', '1982-04-15', 'f', '2010-05-30', 3.22, 'Yes',
'', 1 ),
( 'George', 'David', '1984-11-05', 'm', '2010-10-01', 0.00, 'Yes',
'', 3 ),
( 'Ben', 'Jefferson', '1976-09-25', 'm', '2009-02-21', 1.80, 'No',
'The student has gone on temporary leave to pursue other
opportunities but plans on returning in 1 year.', 3 )
(Fehily, 2008)Task 4
The fourth task was to delete the course named Investments
from the system, and the following SQL code is what I used to
accomplish the task, followed by the screenshot of the query
being executed successfully.
DELETE FROM Classes
WHERE ClassID = 'FIN322';
(Fehily, 2008)
Task 5
The fifth and final task called for changing 2 columns in a row
on the Students table, and the following SQL code is what I
used to accomplish the task, followed by the screenshot of the
query being executed successfully.
UPDATE Students
SET BirthDate = '1982-04-25',
GPA = 3.25
WHERE StudentID = '2';
(Fehily, 2008)
Phase 3 - DML (Select) and Procedures
Stage 3 has seven errands that call for recovering
information utilizing the SELECT and FROM Statements. The
SELECT condition calls for which section or segments to show,
and the FROM proviso distinguishes the table or tables the
segments have a place with. You can likewise utilize the AS
statement with a specific end goal to make segment assumed
names, which I'll go over in the last couple of errands. You can
likewise sort columns with the ORDER BY condition, which I'll
additionally hit on in the assignments. The WHERE provision
channels undesirable columns. Without it, you result would be
each column on your questioned table. Some other proclamation
conditions incorporate AND, OR, ORDER BY GROUP BY,
JOIN. There are two sorts of JOIN provisos. They are Implicit
and express. Certain is utilized a considerable measure, and you
may not understand your utilizing it because there is no genuine
JOIN proviso with JOIN in it; its suggested when you're
questioning more than one table. Let’s begin with the
assignments now, might we?
(Fehily, 2008)
The main thing will do is fix my SQL proclamation in the Phase
2 segment, Task 5. I settled it by utilizing StudentID in the
SELECT proviso. Task 1
The first task calls for a list of all active male students
assigned to Advisors 1 or 3.
So, we want to query the Advisor. Advisor ID, FirstName and
LastName columns along with the Students. AdvisorID,
FirstName, LastName, Birthdate, Gender, and GPA columns of
the Students and Advisors tables. We use an implicit JOIN with
the WHERE clause to JOIN the two tables of Student.
AdvisorID and Advisor. AdvisorID together. Below, you’ll find
the SQL Statement I used to retrieve the required data, and
screenshot that shows a successful query.
SELECT Gender, IsActive, AdvisorID
FROM Cameron_CTU.dbo.Students
WHERE Gender = 'm'
AND IsActive = 'yes'
AND AdvisorID IN (1,3)
Task 2
The second task asks for a list of students without a
biography. Here’s the SQL Statement I used, and screenshot
that shows a successful query.
Task 3
Task 3 is a very simple statement asking what classes are in the
English Department. This SQL statement involves a wild card
just after the L in the word “English”. The SQL statement and
its associated screenshot are below.
SELECT ClassCode, ClassName
FROM Cameron_CTU.dbo.Classes
WHERE ClassName LIKE 'ENGL%'
Task 4
Task 4 calls for a list of all students and their advisors, and
sorted by Advisors, and a few columns from the Students table
SELECT A.AdvisorID, A.FirstName, A.LastName,
S.AdvisorID, S.FirstName, S.LastName,BirthDate, Gender,
GPA
FROM Cameron_CTU.dbo.Students S,
Cameron_CTU.dbo.Advisors A
WHERE S.AdvisorID = A.AdvisorID
ORDER BY A.LastName, S.LastName ASC;
SELECT A.CustomerID, A.FirstName, A.LastName,
S.AdvisorID, S.FirstName, S.LastName,BirthDate, Gender,
GPA
FROM Cameron_CTU.dbo.Students S,
Cameron_CTU.dbo.Advisors A
WHERE S.AdvisorID = A.AdvisorID
ORDER BY A.LastName, S.LastName ASC;
Task 5
The fifth task calls for the number of students born in the 80s.
Below, you’ll find the SQL Statement I used to retrieve the
required data, and screenshot that shows a successful query.
SELECT COUNT (StudentID) as Students_born_in_the_80s
FROM Cameron_CTU.dbo.Students
WHERE BirthDate between '1980-01-1' AND '1989-12-31';
Task 6
Task 6 wanted to know the average GPA score sorted by
men and women. Here is the SQL code and screenshot.
Task 7
Task 7 is looking for all the advisors with only 1 student.
Here’s the SQL code and screenshot.
SELECT A.firstname, A.LastName,
COUNT (A.AdvisorID) AS Total_Active_Students
FROM Cameron_CTU.dbo.Students S,
Cameron_CTU.dbo.Advisors A
WHERE A.AdvisorID = S.AdvisorID AND S.IsActive = 'yes'
GROUP BY A.FirstName, A.LastName
HAVING COUNT (S.StudentID) = '1';
Phase 4 – Architecture, Indexes
Stage 4 requires an approach to track classes required for
degrees, and which degree understudies are seeking after. We
were given the errand of making a table for following degrees
with Degree Name and Degree Description. Nonetheless, the
most ideal approach to track the classes required for degrees is
to make a table named "Degrees" with sections marked
'DegreeID', 'Degree Name' and 'Degree Description', and
'Degree Code'. Additionally, adding a segment to the "Classes"
table, named DegreeID will help connect the "Degrees" and
"Classes" tables. After the tables have been made, I'll have to
test the engineering to guarantee it can render the outcomes I'm
searching for in questions. (Fehily, 2008)
Be that as it may, I simply got my review for my Phase 1 IP
with distinguished mistakes. See Phase 1 area for settled
mistakes. The blunders that need rectified are:
- Considerations with respect to my information sorts and field
lengths: FirstName and LastName too long
Fix imperatives for assignments 1 through 4 to guarantee just
0-100 can be information.
- Fix GPA Constraint to guarantee contribution of just 0.00 –
4.00, and allow just 3 add up to digits after decimal.
- Constrain "Sex" to either M or F, and IsActive to either Yes or
No.Step 1: CREATE TABLE [Degrees]
I’ll start by creating the table, ‘Degrees’ with the following
DDL script, followed by a screenshot of the query being
completed successfully, and the table structure that displays the
table columns to include the PRIMARY KEY, ‘DergeeID’.
USE [Cameron_CTU]
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[Degrees]
(
[DegreeID] [int] IDENTITY(1,1) PRIMARY KEY NOT
NULL,
[DegreeName] [varchar](50) NOT NULL,
[DegreeDescription] [varchar](1000) NOT NULL,
[DegreeCode] [varchar](50) NOT NULL,
)
Step 2: Re-create ‘Classes’ TABLE to add ‘DegreeID’ column
and INSERT 6 classes
The next step is to delete and re-create the ‘Classes’ table,
and ensure that the ‘DegreeID’ column is included in the
creation, and made a FOREIGN KEY. Also, ensure you re-
insert the original 3 classes, and add 3 new classes into the
‘Classes’ table required by different degrees. And since you’ve
re-created the ‘Classes’ table with ‘DegreeID’ as a FOREIGN
KEY, make sure you add it to the INSERT INTO DDL script or
you’ll receive an error regarding the ‘DegreeID’ column.
Below are the following DDL scripts, followed by a screenshot
of the queries being completed successfully, and the table
structure that displays the table columns with ‘DegreeID’ as a
FOREIGN KEY, and the query results of the SELECT * FROM
Classes query.
USE [Cameron_CTU]
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Classes]
(
[ClassID] [int] IDENTITY(1,1) PRIMARY KEY NOT
NULL,
[DegreeID] [int] NOT NULL,
[ClassCode] [varchar](50) NOT NULL,
[ClassName] [varchar](100) NOT NULL,
[Description] [varchar](1000) NOT NULL,
)
ALTER TABLE [dbo].[Classes]
ADD FOREIGN KEY([DegreeID])
REFERENCES [dbo].[Degrees]([DegreeID])
GO
INSERT INTO [Cameron_CTU].[DBO].[Classes]
( [DegreeID], [ClassCode], [ClassName], [Description] )
VALUES
( '4', 'ACCT306', 'Accounting 1', 'This course
introduces accounting concepts and explores the accounting
environment. It covers the basic structure of accounting, how to
maintain
accounts, use account balances to prepare financial
statements, and complete the accounting cycle. It also
introduces the concept of internal control and how to account
for assets.' ),
( '5', 'CS362', 'Structured Query Language for Data
Management', 'This course gives complete coverage of SQL,
with an emphasis on storage, retrieval, and manipulation of
data.' ),
( '3', 'ENGL115', 'English Composition', 'In this
course, students focus on developing writing skills through
practice and revision. Students will examine expository,
critical, and persuasive
essay techniques.' ),
( '3', 'BHVS205', 'Managerial Psychology', 'This
course introduces Psyhology concepts that will serve as the
foundation to other concepts, such as Motivation and Emotion
and Interpersonal
Communications and Dynamics.' ),
( '4', 'CSS150', 'Introduction to Computer Security',
'This course covers Computer Security Principles, such as
Policy letters, Remote Logins, and Network Security.' ),
( '5', 'CS126', 'UNIX Fundamentals', 'This course
teaches you thed origins of the UNIX Operating System, and
teaches you how to build directories.' )
Step 3: ALTER TABLE [Students]
As the paragraph title implies, the next step is to add the
‘DegreeID’ column to the ‘Students’ table, and make it a
FOREIGN KEY. Below is the following DDL script used to add
the column, and make it a FOREIGN KEY, and the screenshot
of the successful command.
USE [Cameron_CTU]
GO
ALTER TABLE Students
ADD DegreeID [int] NOT NULL
GO
ALTER TABLE Students
ADD FOREIGN KEY (DegreeID)
REFERENCES Degrees(DegreeID)
Step 4: DML script to insert 3 test records in [Degrees]
The next step is to insert degree data into the ‘Degrees’
table. Below is the DML script used, and a screenshot of the
successful command along with an inset of the results for a
SELECT * FROM Degrees statement.
INSERT INTO [Cameron_CTU].[DBO].[Degrees]
( [DegreeCode], [DegreeName], [DegreeDescription] )
VALUES
( 'BSIP', 'Bachelor of Science in Psychology', 'The Bachelor’s
degree in General Psychology is designed to prepare students to
successfully navigate in the 21st century workplace, in a variety
of careers that focus on the business of people, including but
not limited to work in management, administration, research,
and sales. It is positioned to provide an overview of the major
psychological concepts, perspectives, and skills that explain
human behavior. ' ),
( 'BSIS', 'Bachelor of Science in Information Security', 'The
Bachelors of Science in Information Assurance and Security
degree allows undergraduate learners to acquire and apply
various processes, tools, technologies, and methods of securing
an enterprise; including security policies, social engineering,
access control, authentication, perimeter security, disaster
recovery and business continuity, risk management, incident
response, viruses, malware, spam, encryption, and other
infrastructure security techniques that include governance and
strategic alignment of IT and business. ' ),
( 'BSIT', 'Bachelor of Science in Information Technology', 'The
Bachelor of Science in Information Technology (BSIT)
curriculum includes both a common core, as well as
specialization-specific courses. The BSIT core provides a strong
foundation in the key information technology areas of
programming, systems administration, security, architecture,
databases, and ethics.' )
Step 5: DML script to INSERT INTO the ‘Students’ table
‘DegreeID’ data
The next step is to add the ‘DegreeID’ to 4 records
applicable to each of the 4 students. Below is the DML script
used to execute the command and a screenshot showing it was
successful.
INSERT INTO [Cameron_CTU].[dbo].[Students]
( [FirstName],
[LastName],
[BirthDate],
[Gender],
[StartDate],
[GPA],
[IsActive],
[Bio],
[AdvisorID],
[DegreeID] )
VALUES
( 'Craig', 'Franklin', '1970-03-15', 'm', '2010-05-30', 3.10, 'Yes',
NULL, 3, 3 ),
( 'Harriet', 'Smith', '1982-04-15', 'f', '2010-05-30', 3.22, 'Yes',
NULL, 1, 4 ),
( 'George', 'David', '1984-11-05', 'm', '2010-10-01', 0.00, 'Yes',
NULL, 3, 5 ),
( 'Ben', 'Jefferson', '1976-09-25', 'm', '2009-02-21', 1.80, 'No',
'The student has
gone on temporary leave to pursue other opportunities but
plans on returning in 1 year.', 3, 3 )
The last step is to execute a SELECT statement with an
implicit JOIN clause to show what degree each student is
pursuing.
USE Cameron_CTU
SELECT FirstName, LastName, Students.DegreeID,
Degrees.DegreeName
FROM Cameron_CTU.dbo.Students,
Cameron_CTU.dbo.Degrees
WHERE Students.DegreeID = Degrees.DegreeID;
Step 6: Display ERD
References
Fehily, C. (2008) Visual QuickStart Guide SQL, Third Edition,
[CourseSmart e-Book reader version] Retrieved from
http://wow.coursesmart.com/9781256745129/firstsection
HOTT!!!
APA 350 words or more
W. Edwards Deming, often referred to as the leading quality
guru in the United States, and psychologist Alfie Kohn support
the idea that incentive pay is not a motivator for individuals to
do a good job. Yet economists argue that incentive
compensation does work and as economist George Baker notes
in his 1993 article in the Harvard Business Review titled
"Rethinking Rewards," "The problem is not that incentives can't
work but that they work too well." What does Baker mean?
Discuss the importance of a well-developed compensation plan
in attracting and retaining good employees and how to keep
those plans from "working too well."

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  • 1. Charles WilliamsCS362Unit 3 Discussion Board Structured Query Language for Data Management 1 Structured Query Language for Data Management 36-04- 17 Table of Contents Phase 1- Database Design and DDL 3 Business Rules & Entity Tables 3 Entity Tables: 4 SQL CODE: 4 Screenshots: 8 Phase 2 – Security and DML 13 Task 1 14 Task 2 15 Task 3 16 Task 4 17 Task 5 18 Phase 3 - DML (Select) and Procedures 19 Task 1 19 Task 2 20 Task 3 21 Task 4 22 Task 5 23 Phase 4 – Architecture, Indexes 27 Step 1: CREATE TABLE [Degrees] 27 Step 2: Re-create ‘Classes’ TABLE to add ‘DegreeID’ column and INSERT 6 classes 29 Step 3: ALTER TABLE [Students] 31 Step 5: DML script to INSERT INTO the ‘Students’ table ‘DegreeID’ data 33 Step 6: Display ERD 36 Phase 5 – Views, Transactions, Testing and Performance37 References 38 Phase 1- Database Design and DDL
  • 2. I contracted to design and develop a database for CTU that will store individual and confidential university data. This database is required to give the back-end engineering to a front- end web application with an instinctive User/Interface (U/I) to be utilized by the college HR office. We've chosen to utilize Microsoft SQL Server 2012 given the way of information to be put away because it will be more secure, and it additionally gives a suite of server upkeep apparatuses to be deserted with the IT Department once the database and web application have been tried and acknowledged by college partners. Amid our preparatory gatherings, CTU's necessities were characterized and enough perused to start making of the database. The accompanying areas contain the business tenets and element tables created amid the preparatory gatherings, and additionally duplicates of all the SQL code used to manufacture the database and make the Entity Relationship Diagram (ERD). Business Rules & Entity Tables Business Rules: · A student has a name, a birth date, and gender. · You must track the date the student started at the university and his or her current GPA, as well as be able to inactivate him or her without deleting information. · For advising purposes, store the student's background/bio information. This is like a little story. · An advisor has a name and an e-mail address. · Students are assigned to one advisor, but one advisor may service multiple students. · A class has a class code, name, and description. · You need to indicate the specific classes a student is taking/has taken at the university. Track the date the student started a specific class and the grade earned in that class. · Each class that a student takes has 4 assignments. Each assignment is worth 100 points.Entity Tables: SQL CODE: Create Database:
  • 3. CREATE DATABASE [Cameron_CTU] CONTAINMENT = NONE ON PRIMARY ( NAME = N'Cameron_CTU', FILENAME = N'c:Program FilesMicrosoft SQL ServerMSSQL11.SCAMERON_CTUMSSQLDATACameron_ CTU.mdf' , SIZE = 3072KB , FILEGROWTH = 1024KB ) LOG ON ( NAME = N'Cameron_CTU_log', FILENAME = N'c:Program FilesMicrosoft SQL ServerMSSQL11.SCAMERON_CTUMSSQLDATACameron_ CTU_log.ldf' , SIZE = 1024KB , FILEGROWTH = 01% ) GO ALTER DATABASE [Cameron_CTU] SET COMPATIBILITY_LEVEL = 110 GO ALTER DATABASE [Cameron_CTU] SET ANSI_NULL_DEFAULT OFF GO ALTER DATABASE [Cameron_CTU] SET ANSI_NULLS OFF GO ALTER DATABASE [Cameron_CTU] SET ANSI_PADDING OFF GO ALTER DATABASE [Cameron_CTU] SET ANSI_WARNINGS OFF GO ALTER DATABASE [Cameron_CTU] SET ARITHABORT OFF GO ALTER DATABASE [Cameron_CTU] SET AUTO_CLOSE OFF GO ALTER DATABASE [Cameron_CTU] SET AUTO_CREATE_STATISTICS ON GO ALTER DATABASE [Cameron_CTU] SET AUTO_SHRINK OFF
  • 4. GO ALTER DATABASE [Cameron_CTU] SET AUTO_UPDATE_STATISTICS ON GO ALTER DATABASE [Cameron_CTU] SET CURSOR_CLOSE_ON_COMMIT OFF GO ALTER DATABASE [Cameron_CTU] SET CURSOR_DEFAULT GLOBAL GO ALTER DATABASE [Cameron_CTU] SET CONCAT_NULL_YIELDS_NULL OFF GO ALTER DATABASE [Cameron_CTU] SET NUMERIC_ROUNDABORT OFF GO ALTER DATABASE [Cameron_CTU] SET QUOTED_IDENTIFIER OFF GO ALTER DATABASE [Cameron_CTU] SET RECURSIVE_TRIGGERS OFF GO ALTER DATABASE [Cameron_CTU] SET DISABLE_BROKER GO ALTER DATABASE [Cameron_CTU] SET AUTO_UPDATE_STATISTICS_ASYNC OFF GO ALTER DATABASE [Cameron_CTU] SET DATE_CORRELATION_OPTIMIZATION OFF GO ALTER DATABASE [Cameron_CTU] SET PARAMETERIZATION SIMPLE GO ALTER DATABASE [Cameron_CTU] SET READ_COMMITTED_SNAPSHOT OFF
  • 5. GO ALTER DATABASE [Cameron_CTU] SET READ_WRITE GO ALTER DATABASE [Cameron_CTU] SET RECOVERY SIMPLE GO ALTER DATABASE [Cameron_CTU] SET MULTI_USER GO ALTER DATABASE [Cameron_CTU] SET PAGE_VERIFY CHECKSUM GO ALTER DATABASE [Cameron_CTU] SET TARGET_RECOVERY_TIME = 0 SECONDS GO USE [Cameron_CTU] GO IF NOT EXISTS (SELECT name FROM sys.filegroups WHERE is_default=1 AND name = N'PRIMARY') ALTER DATABASE [Cameron_CTU] MODIFY FILEGROUP [PRIMARY] DEFAULT GO Create Students Table: CREATE TABLE [dbo].[Students] ( [StudentID] [int] IDENTITY(1,1) PRIMARY KEY NOT NULL, [FistName] [varchar](255) NOT NULL,
  • 6. [LastName] [varchar](255) NOT NULL, [BirthDate] [date] NOT NULL, [Gender] [char](1) NOT NULL, [StartDate] [date] NOT NULL, [GPA] [numeric](4, 0) NOT NULL, [IsActive] [varchar](50) NOT NULL, [Bio] [varchar](255) NOT NULL, [AdvisorID] [int] NOT NULL, ) Create Advisors Table: CREATE TABLE [dbo].[Advisors] ( [AdvisorID] [int] IDENTITY(1,1) PRIMARY KEY NOT NULL, [FirstName] [varchar](50) NOT NULL, [LastName] [varchar](50) NOT NULL, [EmailAddr] [varchar](100) NOT NULL, ) Create Classes Table: CREATE TABLE [dbo].[Classes] ( [ClassID] [int] IDENTITY(1,1) PRIMARY KEY NOT NULL, [ClassCode] [varchar](50) NOT NULL, [ClassName] [varchar](100) NOT NULL, [Description] [varchar](300) NOT NULL, ) Create Students_Classes Table and make ‘AdvisorID’ and ‘DegreeID’ FOREIGN KEYS, and make ‘StudentID’ a FOREIGN KEY on the Students_Classes table. USE Cameron_CTU CREATE TABLE Students (StudentID INT IDENTITY PRIMARY KEY NOT NULL, FirstName VARCHAR(35) NOT NULL, LastName VARCHAR(30) NOT NULL,
  • 7. BirthDate DATE NOT NULL, Gender CHAR(1) NOT NULL, StartDate DATE, GPA DECIMAL(4,2), IsActive CHAR(3) NOT NULL, Bio VARCHAR(3000), AdvisorID [int], DegreeID [int] NOT NULL, ) ALTER TABLE Students ADD FOREIGN KEY (AdvisorID) REFERENCES Advisors ([AdvisorID]) GO ALTER TABLE Students ADD FOREIGN KEY ([DegreeID]) REFERENCES Degrees ([DegreeID]) GO ALTER TABLE Students_Classes ADD FOREIGN KEY (StudentID) REFERENCES Students(StudentID) Once the relationships have been established, the ERD can be created New DML script to add required constraints for GPA, Gender, and Assignments1 – Assignments4 USE Cameron_CTU ALTER TABLE Students ADD CONSTRAINT chkGPA CHECK (GPA BETWEEN 0.00 and 4.00); ALTER TABLE Students ADD CONSTRAINT chkGender
  • 8. CHECK (Gender IN ('M', 'F')); ALTER TABLE Students_Classes ADD CONSTRAINT chkAssignment1 CHECK (Assignment1 BETWEEN 0 AND 100); ALTER TABLE Students_Classes ADD CONSTRAINT chkAssignment2 CHECK (Assignment2 BETWEEN 0 AND 100); ALTER TABLE Students_Classes ADD CONSTRAINT chkAssignment3 CHECK (Assignment3 BETWEEN 0 AND 100); ALTER TABLE Students_Classes ADD CONSTRAINT chkAssignment4 CHECK (Assignment4 BETWEEN 0 AND 100);
  • 9. This section contains screenshots of the query windows once the code was executed successfully.Screenshots: Create Database: Create Students Table with FOREIGN KEYS: Create Advisors Table: Create Classes Table: Create Students_Classes Table: Alter [Students_Classes] & [Students] Tables to assign Foreign Keys to them, which are PRIMARY KEYS on the referenced tables. Once the relationships have been established, the ERD can be created New DML script to add required constraints for GPA, Gender, and Assignments1 – Assignments4
  • 10. New Database Diagram: ERD Phase 2 – Security and DML Carrying on from Phase 1 undertakings of making our college database, with the four tables of Students, Advisors, Classes, and Students_Classes, Phase 2 calls for information to be embedded, erased, and refreshed. The INSERT articulation has two approaches to enter. The positional embed embeds requested esteems into another line in a similar request of the table segments. A named-section embed names the correct segment where each esteem's embedded into another line. Its great practice to utilize a named-segment embed, which permits your SQL code to work if the table's sections are reordered or another segment is included. You would utilize INSERT VALUES to determine segment esteems, and INSERT SELECT to embed columns from another table. Some DBMS don't make it obligatory to utilize the INTO watchword after the INSERT articulation; be that as it may, you ought to utilize it for its transportability abilities. (Fehily, 2008) The UPDATE explanation is utilized to change esteems in a table's current columns. You should be extremely careful when utilizing the refresh explanation on the grounds that on the off chance that you neglect to include the "WHERE" statement, you will refresh all lines rather than simply your objective columns. Keep in mind that each refreshed esteem needs to have similar information sort or be absolutely convertible to an indistinguishable sort from its segment. (Fehily, 2008) The DELETE explanation is somewhat more capable in light of the fact that it’s used to erase a whole line, not just a segment or sections. You can erase only one or all columns of a table, so be mindful of the erase explanation moreover. Without the WHERE proviso, every single table column will be erased. (Fehily, 2008)
  • 11. Task 1 The first task was to insert data into four rows of the Classes table. The following SQL code is what I used to accomplish the task, followed by the screenshot of the query being executed successfully. INSERT INTO [Cameron_CTU].[DBO].[Classes] ( [ClassCode], [ClassName], [Description] ) VALUES ( 'ACCT306', 'Accounting 1', 'This course introduces accounting concepts and explores the accounting environment. It covers the basic structure of accounting, how to maintain accounts, use account balances to prepare financial statements, and complete the accounting cycle. It also introduces the concept of internal control and how to account for assets.' ), ( 'CS362', 'Structured Query Language for Data Management', 'This course gives complete coverage of SQL, with an emphasis on storage, retrieval, and manipulation of data.' ), ( 'ENGL115', 'English Composition', 'In this course, students focus on developing writing skills through practice and revision. Students will examine expository, critical, and persuasive essay techniques.' ), ( 'FIN322', 'Investments', 'This course focuses on investments and investment strategies. Various investment vehicles such as stocks, bonds, and commodities are examined. Students will explore the principles of security analysis and valuation.' ) (Fehily, 2008) Task 2 The second task was to insert data into three rows of the Advisors table. The following SQL code is what I used to
  • 12. accomplish the task, followed by the screenshot of the query being executed successfully. INSERT INTO [dbo].[Advisors] ( [FirstName], [LastName], [EmailAddr] ) VALUES ( 'Fred', 'Stone', '[email protected]' ), ( 'Bob', 'Gordon', '[email protected]' ), ( 'Jack', 'Simpson', '[email protected]') (Fehily, 2008) Task 3 The third task was to insert data into four rows of the Students table. The following SQL code is what I used to accomplish the task, followed by the screenshot of the query being executed successfully. INSERT INTO [dbo].[Students] ( [FirstName], [LastName], [BirthDate], [Gender], [StartDate], [GPA], [IsActive], [Bio], [AdvisorID] ) VALUES ( 'Craig', 'Franklin', '1970-03-15', 'm', '2010-05-30', 3.10, 'Yes', '', 3 ), ( 'Harriet', 'Smith', '1982-04-15', 'f', '2010-05-30', 3.22, 'Yes', '', 1 ), ( 'George', 'David', '1984-11-05', 'm', '2010-10-01', 0.00, 'Yes', '', 3 ), ( 'Ben', 'Jefferson', '1976-09-25', 'm', '2009-02-21', 1.80, 'No',
  • 13. 'The student has gone on temporary leave to pursue other opportunities but plans on returning in 1 year.', 3 ) (Fehily, 2008)Task 4 The fourth task was to delete the course named Investments from the system, and the following SQL code is what I used to accomplish the task, followed by the screenshot of the query being executed successfully. DELETE FROM Classes WHERE ClassID = 'FIN322'; (Fehily, 2008) Task 5 The fifth and final task called for changing 2 columns in a row on the Students table, and the following SQL code is what I used to accomplish the task, followed by the screenshot of the query being executed successfully. UPDATE Students SET BirthDate = '1982-04-25', GPA = 3.25 WHERE StudentID = '2'; (Fehily, 2008) Phase 3 - DML (Select) and Procedures Stage 3 has seven errands that call for recovering information utilizing the SELECT and FROM Statements. The SELECT condition calls for which section or segments to show, and the FROM proviso distinguishes the table or tables the segments have a place with. You can likewise utilize the AS statement with a specific end goal to make segment assumed names, which I'll go over in the last couple of errands. You can likewise sort columns with the ORDER BY condition, which I'll additionally hit on in the assignments. The WHERE provision
  • 14. channels undesirable columns. Without it, you result would be each column on your questioned table. Some other proclamation conditions incorporate AND, OR, ORDER BY GROUP BY, JOIN. There are two sorts of JOIN provisos. They are Implicit and express. Certain is utilized a considerable measure, and you may not understand your utilizing it because there is no genuine JOIN proviso with JOIN in it; its suggested when you're questioning more than one table. Let’s begin with the assignments now, might we? (Fehily, 2008) The main thing will do is fix my SQL proclamation in the Phase 2 segment, Task 5. I settled it by utilizing StudentID in the SELECT proviso. Task 1 The first task calls for a list of all active male students assigned to Advisors 1 or 3. So, we want to query the Advisor. Advisor ID, FirstName and LastName columns along with the Students. AdvisorID, FirstName, LastName, Birthdate, Gender, and GPA columns of the Students and Advisors tables. We use an implicit JOIN with the WHERE clause to JOIN the two tables of Student. AdvisorID and Advisor. AdvisorID together. Below, you’ll find the SQL Statement I used to retrieve the required data, and screenshot that shows a successful query. SELECT Gender, IsActive, AdvisorID FROM Cameron_CTU.dbo.Students WHERE Gender = 'm' AND IsActive = 'yes' AND AdvisorID IN (1,3)
  • 15. Task 2 The second task asks for a list of students without a biography. Here’s the SQL Statement I used, and screenshot that shows a successful query. Task 3 Task 3 is a very simple statement asking what classes are in the English Department. This SQL statement involves a wild card just after the L in the word “English”. The SQL statement and its associated screenshot are below. SELECT ClassCode, ClassName FROM Cameron_CTU.dbo.Classes WHERE ClassName LIKE 'ENGL%' Task 4 Task 4 calls for a list of all students and their advisors, and sorted by Advisors, and a few columns from the Students table SELECT A.AdvisorID, A.FirstName, A.LastName, S.AdvisorID, S.FirstName, S.LastName,BirthDate, Gender, GPA FROM Cameron_CTU.dbo.Students S, Cameron_CTU.dbo.Advisors A WHERE S.AdvisorID = A.AdvisorID ORDER BY A.LastName, S.LastName ASC; SELECT A.CustomerID, A.FirstName, A.LastName, S.AdvisorID, S.FirstName, S.LastName,BirthDate, Gender, GPA FROM Cameron_CTU.dbo.Students S, Cameron_CTU.dbo.Advisors A WHERE S.AdvisorID = A.AdvisorID ORDER BY A.LastName, S.LastName ASC;
  • 16. Task 5 The fifth task calls for the number of students born in the 80s. Below, you’ll find the SQL Statement I used to retrieve the required data, and screenshot that shows a successful query. SELECT COUNT (StudentID) as Students_born_in_the_80s FROM Cameron_CTU.dbo.Students WHERE BirthDate between '1980-01-1' AND '1989-12-31'; Task 6 Task 6 wanted to know the average GPA score sorted by men and women. Here is the SQL code and screenshot. Task 7 Task 7 is looking for all the advisors with only 1 student. Here’s the SQL code and screenshot. SELECT A.firstname, A.LastName, COUNT (A.AdvisorID) AS Total_Active_Students FROM Cameron_CTU.dbo.Students S, Cameron_CTU.dbo.Advisors A WHERE A.AdvisorID = S.AdvisorID AND S.IsActive = 'yes' GROUP BY A.FirstName, A.LastName HAVING COUNT (S.StudentID) = '1'; Phase 4 – Architecture, Indexes Stage 4 requires an approach to track classes required for degrees, and which degree understudies are seeking after. We were given the errand of making a table for following degrees with Degree Name and Degree Description. Nonetheless, the most ideal approach to track the classes required for degrees is to make a table named "Degrees" with sections marked 'DegreeID', 'Degree Name' and 'Degree Description', and 'Degree Code'. Additionally, adding a segment to the "Classes"
  • 17. table, named DegreeID will help connect the "Degrees" and "Classes" tables. After the tables have been made, I'll have to test the engineering to guarantee it can render the outcomes I'm searching for in questions. (Fehily, 2008) Be that as it may, I simply got my review for my Phase 1 IP with distinguished mistakes. See Phase 1 area for settled mistakes. The blunders that need rectified are: - Considerations with respect to my information sorts and field lengths: FirstName and LastName too long Fix imperatives for assignments 1 through 4 to guarantee just 0-100 can be information. - Fix GPA Constraint to guarantee contribution of just 0.00 – 4.00, and allow just 3 add up to digits after decimal. - Constrain "Sex" to either M or F, and IsActive to either Yes or No.Step 1: CREATE TABLE [Degrees] I’ll start by creating the table, ‘Degrees’ with the following DDL script, followed by a screenshot of the query being completed successfully, and the table structure that displays the table columns to include the PRIMARY KEY, ‘DergeeID’. USE [Cameron_CTU] GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Degrees] ( [DegreeID] [int] IDENTITY(1,1) PRIMARY KEY NOT NULL, [DegreeName] [varchar](50) NOT NULL, [DegreeDescription] [varchar](1000) NOT NULL, [DegreeCode] [varchar](50) NOT NULL,
  • 18. ) Step 2: Re-create ‘Classes’ TABLE to add ‘DegreeID’ column and INSERT 6 classes The next step is to delete and re-create the ‘Classes’ table, and ensure that the ‘DegreeID’ column is included in the creation, and made a FOREIGN KEY. Also, ensure you re- insert the original 3 classes, and add 3 new classes into the ‘Classes’ table required by different degrees. And since you’ve re-created the ‘Classes’ table with ‘DegreeID’ as a FOREIGN KEY, make sure you add it to the INSERT INTO DDL script or you’ll receive an error regarding the ‘DegreeID’ column. Below are the following DDL scripts, followed by a screenshot of the queries being completed successfully, and the table structure that displays the table columns with ‘DegreeID’ as a FOREIGN KEY, and the query results of the SELECT * FROM Classes query. USE [Cameron_CTU] GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON
  • 19. GO CREATE TABLE [dbo].[Classes] ( [ClassID] [int] IDENTITY(1,1) PRIMARY KEY NOT NULL, [DegreeID] [int] NOT NULL, [ClassCode] [varchar](50) NOT NULL, [ClassName] [varchar](100) NOT NULL, [Description] [varchar](1000) NOT NULL, ) ALTER TABLE [dbo].[Classes] ADD FOREIGN KEY([DegreeID]) REFERENCES [dbo].[Degrees]([DegreeID]) GO INSERT INTO [Cameron_CTU].[DBO].[Classes] ( [DegreeID], [ClassCode], [ClassName], [Description] ) VALUES ( '4', 'ACCT306', 'Accounting 1', 'This course introduces accounting concepts and explores the accounting environment. It covers the basic structure of accounting, how to maintain accounts, use account balances to prepare financial statements, and complete the accounting cycle. It also introduces the concept of internal control and how to account for assets.' ), ( '5', 'CS362', 'Structured Query Language for Data Management', 'This course gives complete coverage of SQL, with an emphasis on storage, retrieval, and manipulation of data.' ),
  • 20. ( '3', 'ENGL115', 'English Composition', 'In this course, students focus on developing writing skills through practice and revision. Students will examine expository, critical, and persuasive essay techniques.' ), ( '3', 'BHVS205', 'Managerial Psychology', 'This course introduces Psyhology concepts that will serve as the foundation to other concepts, such as Motivation and Emotion and Interpersonal Communications and Dynamics.' ), ( '4', 'CSS150', 'Introduction to Computer Security', 'This course covers Computer Security Principles, such as Policy letters, Remote Logins, and Network Security.' ), ( '5', 'CS126', 'UNIX Fundamentals', 'This course teaches you thed origins of the UNIX Operating System, and teaches you how to build directories.' ) Step 3: ALTER TABLE [Students] As the paragraph title implies, the next step is to add the ‘DegreeID’ column to the ‘Students’ table, and make it a FOREIGN KEY. Below is the following DDL script used to add the column, and make it a FOREIGN KEY, and the screenshot of the successful command. USE [Cameron_CTU] GO ALTER TABLE Students ADD DegreeID [int] NOT NULL GO ALTER TABLE Students
  • 21. ADD FOREIGN KEY (DegreeID) REFERENCES Degrees(DegreeID) Step 4: DML script to insert 3 test records in [Degrees] The next step is to insert degree data into the ‘Degrees’ table. Below is the DML script used, and a screenshot of the successful command along with an inset of the results for a SELECT * FROM Degrees statement. INSERT INTO [Cameron_CTU].[DBO].[Degrees] ( [DegreeCode], [DegreeName], [DegreeDescription] ) VALUES ( 'BSIP', 'Bachelor of Science in Psychology', 'The Bachelor’s degree in General Psychology is designed to prepare students to successfully navigate in the 21st century workplace, in a variety of careers that focus on the business of people, including but not limited to work in management, administration, research, and sales. It is positioned to provide an overview of the major psychological concepts, perspectives, and skills that explain human behavior. ' ), ( 'BSIS', 'Bachelor of Science in Information Security', 'The Bachelors of Science in Information Assurance and Security degree allows undergraduate learners to acquire and apply various processes, tools, technologies, and methods of securing an enterprise; including security policies, social engineering, access control, authentication, perimeter security, disaster recovery and business continuity, risk management, incident response, viruses, malware, spam, encryption, and other infrastructure security techniques that include governance and strategic alignment of IT and business. ' ), ( 'BSIT', 'Bachelor of Science in Information Technology', 'The Bachelor of Science in Information Technology (BSIT) curriculum includes both a common core, as well as specialization-specific courses. The BSIT core provides a strong foundation in the key information technology areas of
  • 22. programming, systems administration, security, architecture, databases, and ethics.' ) Step 5: DML script to INSERT INTO the ‘Students’ table ‘DegreeID’ data The next step is to add the ‘DegreeID’ to 4 records applicable to each of the 4 students. Below is the DML script used to execute the command and a screenshot showing it was successful. INSERT INTO [Cameron_CTU].[dbo].[Students] ( [FirstName], [LastName], [BirthDate], [Gender], [StartDate], [GPA], [IsActive], [Bio], [AdvisorID], [DegreeID] ) VALUES ( 'Craig', 'Franklin', '1970-03-15', 'm', '2010-05-30', 3.10, 'Yes', NULL, 3, 3 ), ( 'Harriet', 'Smith', '1982-04-15', 'f', '2010-05-30', 3.22, 'Yes', NULL, 1, 4 ), ( 'George', 'David', '1984-11-05', 'm', '2010-10-01', 0.00, 'Yes', NULL, 3, 5 ), ( 'Ben', 'Jefferson', '1976-09-25', 'm', '2009-02-21', 1.80, 'No', 'The student has gone on temporary leave to pursue other opportunities but plans on returning in 1 year.', 3, 3 ) The last step is to execute a SELECT statement with an implicit JOIN clause to show what degree each student is
  • 23. pursuing. USE Cameron_CTU SELECT FirstName, LastName, Students.DegreeID, Degrees.DegreeName FROM Cameron_CTU.dbo.Students, Cameron_CTU.dbo.Degrees WHERE Students.DegreeID = Degrees.DegreeID; Step 6: Display ERD References Fehily, C. (2008) Visual QuickStart Guide SQL, Third Edition, [CourseSmart e-Book reader version] Retrieved from http://wow.coursesmart.com/9781256745129/firstsection HOTT!!! APA 350 words or more
  • 24. W. Edwards Deming, often referred to as the leading quality guru in the United States, and psychologist Alfie Kohn support the idea that incentive pay is not a motivator for individuals to do a good job. Yet economists argue that incentive compensation does work and as economist George Baker notes in his 1993 article in the Harvard Business Review titled "Rethinking Rewards," "The problem is not that incentives can't work but that they work too well." What does Baker mean? Discuss the importance of a well-developed compensation plan in attracting and retaining good employees and how to keep those plans from "working too well."