12 STD || PART-2 || CH-12- STRUCTURED QUERY LANGUAGE

 

 

 

 

 

Introduction to SQL

Th e Structured Query Language (SQL) is a standard programming language to access and manipulate databases. SQL allows the user to  reate, retrieve, alter, and transfer information
among databases. It is a language designed for managing and accessing data in a Relational
Data Base Management System (RDBMS).

Th ere are many versions of SQL. Th e original version was developed at IBM’s Research centre and originally called as Sequel in early 1970’s. Later the language was changed to SQL.

In 1986, ANSI (American National Standard Institute) published an SQL standard that was
updated again in 1992, the latest SQL was released in 2008 and named as SQL 2008.

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12 STD ||  PART-2  ||  CH-12- STRUCTURED QUERY LANGUAGE 

 

 

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