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vijvij 

what is dml

TrinayTrinay

Hi,

 

A data manipulation language (DML) is a family of syntax elements similar to a computer programming language used for inserting, deleting and updating data in a database.

 

A popular data manipulation language is that of Structured Query Language(SQL).

Jia HuJia Hu
check the doc here
Apex Data Manipulation Language (DML) Operations
http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_dml.htm