SQL stands for “Structured Query Language” and can be pronounced as
“SQL” or “sequel – (Structured English Query Language)”. It is a query language
used for accessing and modifying information in the database. IBM first
developed SQL in 1970s. Also it is an ANSI/ISO standard. It has become a
Standard Universal Language used by most of the relational database management
systems (RDBMS). Some of the RDBMS systems are: Oracle, Microsoft SQL server,
Sybase etc. Most of these have provided their own implementation thus enhancing
it's feature and making it a powerful tool. Few of the sql commands used in sql
programming are SELECT Statement, UPDATE Statement, INSERT INTO Statement,
DELETE Statement, WHERE Clause, ORDER BY Clause, GROUP BY Clause, ORDER Clause,
Joins, Views, GROUP Functions, Indexes etc.