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Introduction of SQL:

Structured English Query Language (“SEQUEL”) was developed by IBM Corporation Inc., to use Codd’s model.SEQUEL later becomes SQL (still pronounced as “sequel”). SQL Structured Query Language) is an ANSI and ISO standard computer language for accessing, manipulating and controlling data’s in database systems.SQL works with database  programs like Oracle, MS SQL Server, My SQL,Teradata, MS Access, DB2, Informix, Sybase, etc.

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