The structured Query Language is divided in to Four sub Language these are:

1: Data Definition Language.

2: Data Manipulating Language.

3: Transaction Control language.

4: Data Control Language.

Each sub Language has our own commands and each Sub language is responsible for our own work.

For Example Data Definition Language is responsible for the define the Database Object such as create table and number of column and number of rows in a table and wich data type in which row. And the Data Manipulating Language give option to inserting deleting the values in table.

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