SQL allows users to access data in relational database management systems, such as Oracle, Sybase, Informix, Microsoft SQL Server, Access, and others, by allowing users to describe the data the user wishes to see. SQL also allows users to define the data in a database, and manipulate that data. The SQL used is "ANSI", or standard SQL.
SQL is designed for a specific, limited purpose ? querying data ...
SQL's user benefits are emphasized.