Q. What is SQL? What are different categories of commands available in SQL?
Answer =
Answer =
Structure Query Language (SQL) is a language used for accessing database.
SQL command can be divided into following categories:-
1. Data Definition Language (DDL) commands.
2. Data Manipulation Language (DML) commands.
3. Transaction Control Language (TCL) commands.
4. Session Control Commands.
5. System Control Commands.
SQL command can be divided into following categories:-
1. Data Definition Language (DDL) commands.
2. Data Manipulation Language (DML) commands.
3. Transaction Control Language (TCL) commands.
4. Session Control Commands.
5. System Control Commands.
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