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

laikka_buddy

 Profile Answers by laikka_buddy Questions by 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

ugly1

 Profile Answers by ugly1 Questions by 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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