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Introduction of the SQL (Structured Query Language)

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The Language Structured English Query Language (SEQUAL), and later SEQUEL becomes SQL.

The SQL is common language interface because SQL is only language to communicate with all type of databases such as DB2, Teradata, Oracle, etc

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SQL (Structured Query Language) is used for communicating the database. It is a non-procedural language. According to ANSI (American National Standard Institute) it is the regular language for relational Database Management System. SQL is used to perform many tasks such as data retrieve, update, insert etc. in database.

Language Structured English Query Language (SEQUAL), SEQUEL later becomes SQL.

There is many features of SQL

1: It is a Non-Procedural Language.

2: It is not case sensitive language means that we can write the sql command either capital or small latter and mixed also.

3: Every commands in SQL ends with ;.

4: It is also called Natural language Interface (NLI) because every commands in SQL in similar to English language.

5: SQL is common language interface because SQL is only language to communicate with all type of databases such as DB2, Teradata, Oracle, etc.

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