in this presentation the commands let you help to understand the basic of the database system software. how to retrieve data, how to feed data and manipulate it very efficiently by using this commands.
Consists of the explanations of the basics of SQL and commands of SQL.Helpful for II PU NCERT students and also degree studeents to understand some basic things.
Data Definition Language (DDL), Data Definition Language (DDL), Data Manipulation Language (DML) , Transaction Control Language (TCL) , Data Control Language (DCL) - , SQL Constraints
Consists of the explanations of the basics of SQL and commands of SQL.Helpful for II PU NCERT students and also degree studeents to understand some basic things.
Data Definition Language (DDL), Data Definition Language (DDL), Data Manipulation Language (DML) , Transaction Control Language (TCL) , Data Control Language (DCL) - , SQL Constraints
PL/SQL is a combination of SQL along with the procedural features of programming languages.
It provides specific syntax for this purpose and supports exactly the same datatypes as SQL.
Types Of Join In Sql Server - Join With Example In Sql Serverprogrammings guru
Do you know How many types of Joins in SQL. In this ppt presentation we are discussion about types of joins in sql server eg: INNER JOIN , SELF JOIN ,OUTER JOIN ,Right outer Join,Left outer Join,Full Outer Join,CROSS JOIN .
Structured Query Language
SQL Commands:
• The standard SQL commands to interact with relational databases are CREATE, SELECT, INSERT, UPDATE, DELETE and DROP
PL/SQL is a combination of SQL along with the procedural features of programming languages.
It provides specific syntax for this purpose and supports exactly the same datatypes as SQL.
Types Of Join In Sql Server - Join With Example In Sql Serverprogrammings guru
Do you know How many types of Joins in SQL. In this ppt presentation we are discussion about types of joins in sql server eg: INNER JOIN , SELF JOIN ,OUTER JOIN ,Right outer Join,Left outer Join,Full Outer Join,CROSS JOIN .
Structured Query Language
SQL Commands:
• The standard SQL commands to interact with relational databases are CREATE, SELECT, INSERT, UPDATE, DELETE and DROP
In DBMS (DataBase Management System), the relation algebra is important term to further understand the queries in SQL (Structured Query Language) database system. In it just give up the overview of operators in DBMS two of one method relational algebra used and another name is relational calculus.
System analysis and design logical designGirdharRatne
when development of systems takes place then we thought about the designing of the system in two phases one is Front-end and another one is Back-end.
Physical Design is the real implementation of your system but the logical design gives you the way to understand the systems data flow and the conceptual things.
let you know about the medium which used some of them to establish the connection through network. transmission media or medium are of two types one is guided another is unguided both have their role to connect with peoples or network.
this will help you to understand the technology used in your phones and development from their initial stage. how was the initial look of devices. how it will connect with base station and let you help in better communication, internet connectivity.
I was thinking, it will be really great for me to my first upload in the series of better education on internet.
In this presentation I had been contain the contents about Programming language and its Process
What is a Computer Program?
A computer program is a set of instructions or statements to be carried out by the computer's CPU.
Evolution of Programming Language (1950s)
Categories of Programming Language
-> Machine Language
-> Assembly Language
-> High level Language
Overview of operators in C
System Development Life Cycle for Programming
*Thank You*
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The U.S. Geological Survey (USGS) has made substantial investments in meeting evolving scientific, technical, and policy driven demands on storing, managing, and delivering data. As these demands continue to grow in complexity and scale, the USGS must continue to explore innovative solutions to improve its management, curation, sharing, delivering, and preservation approaches for large-scale research data. Supporting these needs, the USGS has partnered with the University of Chicago-Globus to research and develop advanced repository components and workflows leveraging its current investment in Globus. The primary outcome of this partnership includes the development of a prototype enterprise repository, driven by USGS Data Release requirements, through exploration and implementation of the entire suite of the Globus platform offerings, including Globus Flow, Globus Auth, Globus Transfer, and Globus Search. This presentation will provide insights into this research partnership, introduce the unique requirements and challenges being addressed and provide relevant project progress.
OpenFOAM solver for Helmholtz equation, helmholtzFoam / helmholtzBubbleFoamtakuyayamamoto1800
In this slide, we show the simulation example and the way to compile this solver.
In this solver, the Helmholtz equation can be solved by helmholtzFoam. Also, the Helmholtz equation with uniformly dispersed bubbles can be simulated by helmholtzBubbleFoam.
We describe the deployment and use of Globus Compute for remote computation. This content is aimed at researchers who wish to compute on remote resources using a unified programming interface, as well as system administrators who will deploy and operate Globus Compute services on their research computing infrastructure.
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This presentation emphasizes the importance of data security and legal compliance for Nidhi companies in India. It highlights how online Nidhi software solutions, like Vector Nidhi Software, offer advanced features tailored to these needs. Key aspects include encryption, access controls, and audit trails to ensure data security. The software complies with regulatory guidelines from the MCA and RBI and adheres to Nidhi Rules, 2014. With customizable, user-friendly interfaces and real-time features, these Nidhi software solutions enhance efficiency, support growth, and provide exceptional member services. The presentation concludes with contact information for further inquiries.
Code reviews are vital for ensuring good code quality. They serve as one of our last lines of defense against bugs and subpar code reaching production.
Yet, they often turn into annoying tasks riddled with frustration, hostility, unclear feedback and lack of standards. How can we improve this crucial process?
In this session we will cover:
- The Art of Effective Code Reviews
- Streamlining the Review Process
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By the end of this presentation, you'll have the knowledge on how to organize and improve your code review proces
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Quarkus has a vast extension ecosystem and is known for its subsonic and subatomic feature set. Some of these features are not as well known, and some extensions are less talked about, but that does not make them less interesting - quite the opposite.
Come join this talk to see some tips and tricks for using Quarkus and some of the lesser known features, extensions and development techniques.
How Does XfilesPro Ensure Security While Sharing Documents in Salesforce?XfilesPro
Worried about document security while sharing them in Salesforce? Fret no more! Here are the top-notch security standards XfilesPro upholds to ensure strong security for your Salesforce documents while sharing with internal or external people.
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Experience our free, in-depth three-part Tendenci Platform Corporate Membership Management workshop series! In Session 1 on May 14th, 2024, we began with an Introduction and Setup, mastering the configuration of your Corporate Membership Module settings to establish membership types, applications, and more. Then, on May 16th, 2024, in Session 2, we focused on binding individual members to a Corporate Membership and Corporate Reps, teaching you how to add individual members and assign Corporate Representatives to manage dues, renewals, and associated members. Finally, on May 28th, 2024, in Session 3, we covered questions and concerns, addressing any queries or issues you may have.
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First Steps with Globus Compute Multi-User EndpointsGlobus
In this presentation we will share our experiences around getting started with the Globus Compute multi-user endpoint. Working with the Pharmacology group at the University of Auckland, we have previously written an application using Globus Compute that can offload computationally expensive steps in the researcher's workflows, which they wish to manage from their familiar Windows environments, onto the NeSI (New Zealand eScience Infrastructure) cluster. Some of the challenges we have encountered were that each researcher had to set up and manage their own single-user globus compute endpoint and that the workloads had varying resource requirements (CPUs, memory and wall time) between different runs. We hope that the multi-user endpoint will help to address these challenges and share an update on our progress here.
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Talk by Matt Welsh at Craft Conference 2024 on the impact that Large Language Models will have on the future of software development. In this talk, I discuss the ways in which LLMs will impact the software industry, from replacing human software developers with AI, to replacing conventional software with models that perform reasoning, computation, and problem-solving.
Developing Distributed High-performance Computing Capabilities of an Open Sci...Globus
COVID-19 had an unprecedented impact on scientific collaboration. The pandemic and its broad response from the scientific community has forged new relationships among public health practitioners, mathematical modelers, and scientific computing specialists, while revealing critical gaps in exploiting advanced computing systems to support urgent decision making. Informed by our team’s work in applying high-performance computing in support of public health decision makers during the COVID-19 pandemic, we present how Globus technologies are enabling the development of an open science platform for robust epidemic analysis, with the goal of collaborative, secure, distributed, on-demand, and fast time-to-solution analyses to support public health.
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3. Structure Query Language(SQL)
Structure Query Language(SQL) is a database query
language used for storing and managing data in Relational
DBMS. SQL was the first commercial language
introduced for E.F Codd's Relational model of database.
Types of SQL statements –
1. DML (data manipulation language)
2. DDL (data definition language)
3. DCL (data control language)
4.TCL (transaction control language)
4. Introduction of DML
DML is short name of Data Manipulation Language which
deals with data manipulation and includes most common
SQL statements such SELECT, INSERT, UPDATE,
DELETE, etc., and it is used to store, modify, retrieve,
delete and update data in a database.
SELECT - retrieve data from a database
INSERT - insert data into a table
UPDATE - updates existing data within a table
DELETE - Delete all records from a database table
5. Select command is used to view the records from the table.
To view all the columns and all the rows ‘*’can be specified
with the select statement. The name of the table is required
while specifying the select.
Syntax :-
Select * from <tablename>;
E.G.
“Sql> select * from student;”
Output:-
Select Command:-
ROLLNO NAME MARKS ADDR
101 ABC 75 LINK ROAD
102 XYZ 80 JM ROAD
103 PQR 67 N7
6. Cont…
Select statement is very flexible. If user needs to view
only certain fields or columns, then by specifying those
names of the columns in the form of list, user can view the
required output.
The general form is as follows:
Select column1, column2, column3…… column n from <tablename>;
e.g., SQL> select rollno, name, marks from student;
Output:-
ROLLNO NAME MARKS
101 ABC 75
102 XYZ 80
103 PQR 67
3 rows selected.
7. Cont…
To select particular row ‘where clause is used. This clause
allows user to put the condition. The rows or columns which
satisfy the condition will be displayed.
Syntax:-
Select<column1><column2><column3> from <tablename> where condition;
e.g., SQL> select * from student where marks=80;
ROLLNO NAME MARKS ADDR
102 XYZ 80 JM ROAD
8. Insert Command:-
After creating table successfully, records can be entered.
The insert command is used to put the records into the
table.
Syntax :-
Insert into <table name> values (value1, value2, value3…);
The list of values means the values given one by one for
each of the attribute or may not be for some of the
attributes. The values which are number can written as it
is but values which are characters and date types are
specified in ‘ ‘ i.e. In single quotation marks.
E.g., Insert into student values(101,’abc’,75,’Link road’);
9. Cont…
The above statement allows user to enter one by one record by
putting the values along with insert command. To enter
multiple values continuously one by one we can specify the
general command which can be afterwards run by giving the ‘ /
‘.
e.g., SQL> insert into student values(&rollno,’&studname’,&marks,’&addr’);
After giving this command the following output will come:
Enter value for rollno:101
Enter value for name:xyz
Enter value for marks: 80
Enter value for addr: JM road
10. Cont…
Old 1: insert into student values(&rollno,’&studname’,&marks,’&addr’);
New 1: insert into student values(102,’xyz’,80,’JM road’);
1 row created
Roll no Studname marks addr
102 xyz 80 JM road
11. Update Command:-
The tables can be updated using the set clause. Either all rows will be updated or modified or
selected rows can be updated using the where clause. The set clause is used to define the
modifications of a particular column.
The syntax of update command is:
Update<table name>set <columnname>=<expression>,<columnname>=<expression >;
SQL> update student set marks= 85;
3 rows updated.
SQL> select * from student;
Output:-
ROLLNO NAME MARKS ADDR
101 ABC 85 LINK ROAD
102 XYZ 85 JM ROAD
103 PQR 85 N7
12. Cont…
Update Command – specifies the rows to be changed using where clause and new fata using set
keyword.
Ex-
Update student set sname =‘PQR’ where Roll NO = 101;
ROLLNO NAME MARKS ADDR
101 PQR 85 LINK ROAD
102 XYZ 85 JM ROAD
103 PQR 85 N7
13. Delete Command:-
The delete operation can be performed on the table to remove or delete the particular records or
even all records.
Syntax:-
Delete from student where addr =N7;
1 row deleted
SQL> select * from student;
ROLLNO NAME MARKS ADDR
101 ABC 75 LINK ROAD
102 XYZ 80 JM ROAD
Output
14. Cont…
To delete all records from the table the following command is used.
SQL> delete from student;
3 rows deleted.
15. Introduction to DCL
DCL stands for Data Control Language.
DCL is used to control user access in a database.
This command is related to the security issues.
Using DCL command, it allows or restricts the user from
accessing data in database schema.
DCL commands are as follows,
1. GRANT
2. REVOKE
It is used to grant or revoke access permissions from any
database user.
16. Grant command
GRANT command gives user's access privileges to the
database.
This command allows specified users to perform specific
tasks.
Syntax:
GRANT <privilege list>
ON <relation name or view name>
TO <user/role list>;
Example : GRANT Command
GRANT ALL ON employee
TO ABC;
[WITH GRANT OPTION]
In the above example, user 'ABC' has been given permission to view and modify the records in the
'employee' table.
17. Revoke command
REVOKE command is used to cancel previously granted or
denied permissions.
This command withdraw access privileges given with the
GRANT command.
It takes back permissions from user.
Syntax:
REVOKE <privilege list>
ON <relation name or view name>
FROM <user name>;
Example : REVOKE Command
REVOKE UPDATE
ON employee
FROM ABC;
18. MCQ
1.The language used application programs to request data from the DBMS is referred to as __________
a) DML
b) DDL
c) Query language
d) All of the Mentioned
Answer:a
Explanation: Data Manipulation Language (DML) statements are used for managing data in
database. DML commands are not auto-committed. It means changes made by DML command are
not permanent to database, it can be rolled back.
2. Which of the following keyword is used with Data Control Language (DCL) statements?
a) SELECT
b) INSERT
c) DELETE
d) GRANT
Answer:d
Explanation: GRANT is the keyword which is used with Data Control Language statements
19. Cont…
3.Which of the following keyword is used with Data Control Language (DCL) statements?
a) SELECT
b) INSERT
c) DELETE
d) GRANT
Answer:d
Explanation: GRANT is the keyword which is used with Data Control Language statements.
4. Which of the following is not included in DML (Data Manipulation Language)
a) INSERT
b) UPDATE
c) DELETE
d) CREATE
Answer:d
Explanation: The CREATE TABLE statement is used to create a table in a database. Tables are
organized into rows and columns; and each table must have a name.
20. References
Fundamental of Database System
Elmasri . Navathe
Database System Concept
Henry F.koth
https://www.geeksforgeeks.org/sql-ddl-dml-dcl-tcl-commands/ on 28th March 2019
https://www.w3schools.in/mysql/ddl-dml-dcl/ on 28th March 2019