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Recommended
A must Sql notes for beginners
This document contains all the sql tutorial and easy to understand with illustrative examples.
Recommended
A must Sql notes for beginners
This document contains all the sql tutorial and easy to understand with illustrative examples.
introdution to SQL and SQL functions
whole SQL commands, and functions are here to make one's perfect in SQL
Assignment#05
a) More SQL: Aggregates - Write queries in SQL using aggregates, grouping and ordering.
b) Nested sub queries and SQL updates: Write queries in SQL using concept of nested sub
queries and SQL update commands.
Sql notes, sql server,sql queries,introduction of SQL, Beginner in SQL
It is all about SQL Server with queries and database management too.
It is for beginners as well as mid level project trainee.
Oracle naveen Sql
this is sufficientt to study SQL
their are all syntax and i may cover all selected area in dbms
Mysql Statments
Here is the list of all important MySQL functions. Each function has been explained along with suitable example.
*
MySQL Group By Clause - The MySQL GROUP BY statement is used along with the SQL aggregate functions like SUM to provide means of grouping the result dataset by certain database table column(s).
*
MySQL IN Clause - This is a clause which can be used alongwith any MySQL query to specify a condition.
*
MySQL BETWEEN Clause - This is a clause which can be used alongwith any MySQL query to specify a condition.
*
MySQL UNION Keyword - Use a UNION operation to combine multiple result sets into one.
*
MySQL COUNT Function - The MySQL COUNT aggregate function is used to count the number of rows in a database table.
*
MySQL MAX Function - The MySQL MAX aggregate function allows us to select the highest (maximum) value for a certain column.
*
MySQL MIN Function - The MySQL MIN aggregate function allows us to select the lowest (minimum) value for a certain column.
*
MySQL AVG Function - The MySQL AVG aggregate function selects the average value for certain table column.
*
MySQL SUM Function - The MySQL SUM aggregate function allows selecting the total for a numeric column.
*
MySQL SQRT Functions - This is used to generate a square root of a given number.
*
MySQL RAND Function - This is used to generate a random number using MySQL command.
*
MySQL CONCAT Function - This is used to concatenate any string inside any MySQL command.
*
MySQL DATE and Time Functions - Complete list of MySQL Date and Time related functions.
*
MySQL Numeric Functions - Complete list of MySQL functions required to manipulate numbers in MySQL.
*
MySQL String Functions - Complete list of MySQL functions required to manipulate strings in MySQL.
Advanced Sql Training
Presentation for advanced level SQL training class that I gave at Vertex in August 2009.
USE IMDB -- ensures correct database is active G.docx
USE IMDB -- ensures correct database is active
GO
PRINT '|---' + REPLICATE('+----',15) + '|'
PRINT 'Read the questions below and insert your queries where prompted. When you
are finished,
you should be able to run the file as a script to execute all answers sequentially
(without errors!)' + CHAR(10)
PRINT 'Queries should be well-formatted. SQL is not case-sensitive, but it is
good form to
capitalize keywords and table names; you should also put each projected column on
its own line
and use indentation for neatness. Example:
SELECT Name,
CustomerID
FROM CUSTOMER
WHERE CustomerID < 106;
All SQL statements should end in a semicolon. Whatever format you choose for your
queries, make
sure that it is readable and consistent.' + CHAR(10)
PRINT 'Be sure to remove the double-dash comment indicator when you insert your
code!';
PRINT '|---' + REPLICATE('+----',15) + '|' + CHAR(10) + CHAR(10)
GO
GO
PRINT 'CIS2275, Lab Week 6, Question 1 [3pts possible]:
Write the query to display the name and year of birth for all people born after
1980, who have
directed at least one show (i.e. those who appear at least once in the
title_directors table).
Limit results to those who have died (who have a value in the deathYear column).
----------------------------------------------------------------------------------
------------
Columns to display: name_basics.primaryName, name_basics.birthYear
Sort in descending order by birth year.' + CHAR(10)
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 2 [3pts possible]:
Show every genre of television show which has had at least one title with 500
episodes.
i.e. limit results to the titleType ''tvEpisode'' in the title_basics table, and
to titles
containing a row in the title_episode table with episodeNumber 500.
----------------------------------------------------------------------------------
------------
Columns to display: title_genre.genre
Display genre name only, and eliminate duplicate values.' + CHAR(10)
GO
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 3 [3pts possible]:
Write a common table expression to identify the WORST shows: join title_basics
against title_ratings
and limit your results to those with an averageRating value equal to 1. Project
the title,
type, and startYear from title_basics; and label your CTE as BADSHOWS.
In the main query, show a breakdown of BADSHOWS grouped by type, along with the
total number of
rows for each (i.e. GROUP BY titleType)
----------------------------------------------------------------------------------
------------
Columns to display: titleType, COUNT(*)
Sort results in descending order by COUNT(*).' + CHAR(10)
GO
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 4 [3pts possible]:
Identify the least popular professions. Show each profession value from the
nam.
More Related Content
What's hot
introdution to SQL and SQL functions
whole SQL commands, and functions are here to make one's perfect in SQL
Assignment#05
a) More SQL: Aggregates - Write queries in SQL using aggregates, grouping and ordering.
b) Nested sub queries and SQL updates: Write queries in SQL using concept of nested sub
queries and SQL update commands.
Sql notes, sql server,sql queries,introduction of SQL, Beginner in SQL
It is all about SQL Server with queries and database management too.
It is for beginners as well as mid level project trainee.
Oracle naveen Sql
this is sufficientt to study SQL
their are all syntax and i may cover all selected area in dbms
Mysql Statments
Here is the list of all important MySQL functions. Each function has been explained along with suitable example.
*
MySQL Group By Clause - The MySQL GROUP BY statement is used along with the SQL aggregate functions like SUM to provide means of grouping the result dataset by certain database table column(s).
*
MySQL IN Clause - This is a clause which can be used alongwith any MySQL query to specify a condition.
*
MySQL BETWEEN Clause - This is a clause which can be used alongwith any MySQL query to specify a condition.
*
MySQL UNION Keyword - Use a UNION operation to combine multiple result sets into one.
*
MySQL COUNT Function - The MySQL COUNT aggregate function is used to count the number of rows in a database table.
*
MySQL MAX Function - The MySQL MAX aggregate function allows us to select the highest (maximum) value for a certain column.
*
MySQL MIN Function - The MySQL MIN aggregate function allows us to select the lowest (minimum) value for a certain column.
*
MySQL AVG Function - The MySQL AVG aggregate function selects the average value for certain table column.
*
MySQL SUM Function - The MySQL SUM aggregate function allows selecting the total for a numeric column.
*
MySQL SQRT Functions - This is used to generate a square root of a given number.
*
MySQL RAND Function - This is used to generate a random number using MySQL command.
*
MySQL CONCAT Function - This is used to concatenate any string inside any MySQL command.
*
MySQL DATE and Time Functions - Complete list of MySQL Date and Time related functions.
*
MySQL Numeric Functions - Complete list of MySQL functions required to manipulate numbers in MySQL.
*
MySQL String Functions - Complete list of MySQL functions required to manipulate strings in MySQL.
Advanced Sql Training
Presentation for advanced level SQL training class that I gave at Vertex in August 2009.
What's hot (19)
Sql notes, sql server,sql queries,introduction of SQL, Beginner in SQL
Sql notes, sql server,sql queries,introduction of SQL, Beginner in SQL
Similar to Intro To TSQL - Unit 2
USE IMDB -- ensures correct database is active G.docx
USE IMDB -- ensures correct database is active
GO
PRINT '|---' + REPLICATE('+----',15) + '|'
PRINT 'Read the questions below and insert your queries where prompted. When you
are finished,
you should be able to run the file as a script to execute all answers sequentially
(without errors!)' + CHAR(10)
PRINT 'Queries should be well-formatted. SQL is not case-sensitive, but it is
good form to
capitalize keywords and table names; you should also put each projected column on
its own line
and use indentation for neatness. Example:
SELECT Name,
CustomerID
FROM CUSTOMER
WHERE CustomerID < 106;
All SQL statements should end in a semicolon. Whatever format you choose for your
queries, make
sure that it is readable and consistent.' + CHAR(10)
PRINT 'Be sure to remove the double-dash comment indicator when you insert your
code!';
PRINT '|---' + REPLICATE('+----',15) + '|' + CHAR(10) + CHAR(10)
GO
GO
PRINT 'CIS2275, Lab Week 6, Question 1 [3pts possible]:
Write the query to display the name and year of birth for all people born after
1980, who have
directed at least one show (i.e. those who appear at least once in the
title_directors table).
Limit results to those who have died (who have a value in the deathYear column).
----------------------------------------------------------------------------------
------------
Columns to display: name_basics.primaryName, name_basics.birthYear
Sort in descending order by birth year.' + CHAR(10)
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 2 [3pts possible]:
Show every genre of television show which has had at least one title with 500
episodes.
i.e. limit results to the titleType ''tvEpisode'' in the title_basics table, and
to titles
containing a row in the title_episode table with episodeNumber 500.
----------------------------------------------------------------------------------
------------
Columns to display: title_genre.genre
Display genre name only, and eliminate duplicate values.' + CHAR(10)
GO
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 3 [3pts possible]:
Write a common table expression to identify the WORST shows: join title_basics
against title_ratings
and limit your results to those with an averageRating value equal to 1. Project
the title,
type, and startYear from title_basics; and label your CTE as BADSHOWS.
In the main query, show a breakdown of BADSHOWS grouped by type, along with the
total number of
rows for each (i.e. GROUP BY titleType)
----------------------------------------------------------------------------------
------------
Columns to display: titleType, COUNT(*)
Sort results in descending order by COUNT(*).' + CHAR(10)
GO
--
-- [Insert your code here]
--
GO
PRINT 'CIS2275, Lab Week 6, Question 4 [3pts possible]:
Identify the least popular professions. Show each profession value from the
nam.
CompanyDB Problemspage 1 of 3Consider the employee database of .docx
CompanyDB Problems page 1 of 3
Consider the employee database of Figure CompanyDB:
*************************************************
* employee (employee_name, street, city) *
* works (employee_name, company_name, salary) *
* company (company_name, city) *
* manages (employee_name, manager_name) *
*************************************************
Figure CompanyDB.
Using the course database, give an expression in SQL for each of the following queries. The expected results are indicated for each query.
a. Find the names of all employees who work for First Bank Corporation.
EMPLOYEE_NAME
--------------------
Ferris
Johnson
Laikin
Moira
Turner
b. Find the names and cities of residence of all employees who work for First Bank Corporation.
EMPLOYEE_NAME CITY
-------------------- --------------------
Ferris Westchester
Johnson Palo Alto
Laikin Culver City
Moira Kentwood
Turner Palo Alto
c. Find the names, street address, and cities of residence of all employees who work for First Bank Corporation and earn more than $10,000.
EMPLOYEE_NAME STREET CITY
-------------------- ------------------------------ --------------------
Ferris Loyola Westchester
Johnson Alma Palo Alto
Laikin Berryman Culver City
Moira Nancy Kentwood
Turner Alma Palo Alto
d. Find all employees in the database who live in the same cities as the companies for which they work.
EMPLOYEE_NAME
--------------------
August
Brooks
Curry
Hayes
Jones
Smith
e. Find all employees in the database who live in the same cities and on the same streets as do their managers.
EMPLOYEE_NAME
--------------------
Curry
Lindsay
Turner
Williams
f. Find all employees in the database who do not work for First Bank Corporation
EMPLOYEE_NAME
--------------------
Adams
August
Brooks
Curry
Glenn
Green
Hayes
Jones
Lindsay
Schmidt
Smith
Williams
Young
g. Find all employees in the database who earn more than every employee of Small Bank Corporation.
EMPLOYEE_NAME SALARY
-------------------- ---------
August 150000.00
Schmidt 120000.00
h. Assume that the companies may be located in several cities. Find all companies located in every city in which Small Bank Corporation is located
COMPANY_NAME
------------------------------
Small Bank Corporation
i. Find all employees who earn more than the average salary of all employees of their company.
EMPLOYEE_NAME
--------------------
Adams
August
Brooks
Ferris
Glenn
Green
Johnson
Laikin
j. Find the company that has the most employees. Show the company name and number of employees.
COMPANY_NAME COUNT(DISTINCT employee_name)
------------------------------ -----------------------------
First Bank Corporation 5
k. Find the company that has the smallest payroll.
COMPANY_NAME
------------------------------
Cathedral Software
l. Find those companies whose employees earn a higher salary, on average, than the average salary at First Bank Corporation.
COMPA.
Similar to Intro To TSQL - Unit 2 (14)
USE IMDB -- ensures correct database is active G.docx
USE IMDB -- ensures correct database is active G.docx
CompanyDB Problemspage 1 of 3Consider the employee database of .docx
CompanyDB Problemspage 1 of 3Consider the employee database of .docx
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