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Showing posts with label DDL. Show all posts
Showing posts with label DDL. Show all posts

3 August 2013

Q.What is a SQL ? 

      SQL is not a database management system but it is a language and a tool for communicating with the DBMS. SQL stands for Structured Query Language which organizes, manages and retrieves data from the database.It is a non procedural language. Today it is the most standard computer database language.

Q. What is DDL, DML, DCL and TCL command ?

      DDL stands for Data Definition Language.It helps in defining the structure of