What is the full form of DCL ?

DCL - Data Control Language

DCL is a subset of the Structured Query Lanaguge (SQL) that allows database administrators to configure security access in relational databases.

          For any in-house or outsource software development process, Data Control Language plays the critical role of setting authorization mechanism of the database. DCL statements includes the following statements :-

GRANT - to allow specific users to perform specified tasks
REVOKE - to cancel previously denied or granted permissions