SQL stands for Structured Query Language is a database computer language used for managing data when used with application in a Relational Database Management System (RDBMS).
There are many database software available which used the same query language. Some of them are Oracle, My SQL, DB2 etc.
As the name suggest Structures Query language so it uses QUERY for retrieval of data from the database, and that query has a structure which is same for all databases software.
