Structured Query Language (SQL)

SQL is a Structured Query Language and is the organizations standard language to describe and manipulate the data in RDBMS. In a database environment, the interactions among the Client and the Server are only by SQL. This one-point communication language in Client-Server architecture facilitates the database processing and connectivity.

SQL is an easy English-like language. It is also pronounced as sequel and consists of layers of increasing capability and complexity. End-users with little or no experience in data processing can learn SQL features extremely fast. It is a Fourth Generation Language.

SQL was first introduced in the year of 1979 through IBM Research and was introduced into the commercial market first through Oracle Corporation.  A committee at the ANSI American National Standards Institute has endorsed SQL as the standard language for Relational Data Base Management System.

SQL gives the following functionalities:
•Creation of tables.
•Querying the exact data.
•Change the data and the data structure.
•Combine and calculate the data to get the needed information.