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SQL Command chart its need to remember

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SQL Command chart its need to remember


This is SQL Command chart we read it from starting of any computer diploma which include oracle and SQL. DDL is data definition language,DML is data manipulation language ,DCL is data control language and TCL is Transaction control.

TCL Include Set transaction also.

DML Include Merge,call ,explain plan,and lock table command too.
DDL include comment also.




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