Naima Saeed Mohamed

What stands for SQL

What is SQL

Advantage and Disadvantage of SQL

History of SQL

Used for SQL

Some statements or codes of Codes

SQL is sands for Structure Query Language .

SQL has many definition but we take some of them

SQL is special purpose programming language designed for managing database.

On other hand

SQL is rational database language.

Can be used to create function and trigger procedures.

You can add control structure to the SQL

Also you can perform complex computation

SQL can be used to retrieve large amount of records from database quickly and efficiently

Difficult in interfacing

More features implemented in proprietary way

SQL is invented primarily to provide a method to access structure data in order to transparencies the physical storage scheme.

IBM invented a computer language back in the 1970s designed specifically for database queries called SEQUEL, which stood for Structured English Query Language.

IBM released SEQUEL into the public domain, where it became known as SQL. Because of this heritage you can pronounce it as "sequel" or spell it out as "S-Q-L" when talking about it.

Microsoft initially developed SQL Server (a database product that understands the SQL language) with Sybase Corporation for use on the IBM OS/2 platform.

Data Manipulation

Data Definition

Data Administration

All are expressed as an SQL statement.

When we start SQL codes always first code is create

Database ,Table and so on…..

Just write in area of work

Create Hospital

That is database

Create Table

(

Employee ID integer ,

Employee Name varchar(50)

) we use codes like that.