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 It contains commands which defines the data.

Data Manipulation Language

Transaction Control Language

security and authentication

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Structured Query Language (SQL) is the standard language used for writing queries in a databases.

SQL contains of some important features and they are:

Data Definition language (DDL)

Data Manipulation Language (DML)

Triggers

Client server execution and remote database access:

Security and authentication:

Embedded SQL

Transaction Control Language

Advanced SQL

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