SQL Introduction

SQL (Structured Query Language) is a standard language for accessing and manipulating databases.

What is SQL?

SQL is  stands for Structured Query Language. SQL  lets your access and manipulate database.SQL is an ANSI (American National Standards Institute) standard. SQL is the standard language for Relation Database System. All relational database management systems like

• MySQL.
• MS Access.
• Sybase.
• Postgres.
• SQL Server.
• Oracle.
• Informix.

 use SQL as standard database language.Also they are using different dialects such as

• Oracle using PL/SQL.
• MS SQL Server using T-SQL.
• MS Access version of SQL is called JET SQL (native format) etc .

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