DDL and DML

Why do we need a DDL and DML in a database system?

Questions by abdulx

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ugly1

  • Jan 25th, 2008
 

DDL stands for data definition language and DML stands for data manipulation language.

DML changes data in an object (eg-insert,update,delete) and when we create,change or remove a database object thats DML (eg-create). so both are important.

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laikka_buddy

  • May 5th, 2008
 

DDL  is  nothing   but   Data  Definition  Language .  It is very important for a  dadabase that we have to  define  the data   such that  we can  create tables , alter tables, truncate  and  drop  tables

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