Summary DBMS & RDBMS

SQL-Queries
From Basic to
Advance

, What is Sql?

-SQL stands for Structured Query
Language which is a computer
language for storing, manipulating and
retrieving data stored in a relational
database. SQL was developed in the
1970s by IBM Computer Scientists and
became a standard of the American
National Standards Institute (ANSI) in
1986, and the International
Organization for Standardization (ISO)
in 1987.
SQL is the standard language to
communicate with Relational Database
Systems. All the Relational Database
Management Systems (RDMS) like
MySQL, MS Access, Oracle, Sybase,
Informix, Postgres and SQL Server use

,SQL as their Standard Database
Language.

How SQL Works?

, Queries

Create Database:
CREATE DATABASE databasename;

Example
CREATE DATABASE testDB;

DROP DATABASE:
DROP DATABASE databasename;

Example:
DROP DATABASE testDB;