Thursday, December 13, 2012

Data Base Management System

Posted by Unknown Posted on 4:41 AM No comments

SQL: - SQL is fourth generation non-procedural language. The SQL is further divided into three sub-languages for various purposes: -

1. DDL ( Data Definition Language)
2. DML ( Data Manipulation Language)
3. DCL ( Data Control Language)

1. Data Definition Language (DDL): - DDL provide following commands for
various purposes: -

To read further click on the following link below:
http://www.mediafire.com/view/?yh6aa506fqaggbh
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