Posted by : Sudhir Chekuri Friday, 26 February 2016

SQL is a language used to interact with the database.
SQL stands for Structured Query Language
SQL lets you access and manipulate databases
SQL is an ANSI (American National Standards Institute) standard.
SQL is not case sensitive.

RDBMS

RDBMS stands for Relational Database Management System.
RDBMS is the basis for SQL, and for all modern database systems such as MS SQL Server, IBM DB2, Oracle, MySQL and Microsoft Access.
In RDMS data is stored in the form of tales which contains rows and columns.

SQL is divided into 4 Sub languages as follows:

DDL (Data Definition Language)

DML (Data Manipulation Language)

TCL (Transaction Control Language)

DCL (Data Control Language)

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