What is SQL whats its uses and its component

he Structured Query Language (SQL) is foundation for all relational database systems. Most of the large-scale databases use the SQL to define all user and administrator interactions. QL is Non-Procedural language . Its allow the user to concentrate on specifying what data is required rather than concentrating on the how to get it.

The DML component of SQL comprises four basic statements:

* SELECT to get rows from tables

* UPDATE to update

the rows of tables

* DELETE to remove rows from tables

* INSERT to add new rows to tables