SQL

See also: Database

Acronym: Structured Query Language

A system used to communicate with a database. It is the standard language for relational database management systems across a variety of software from Microsoft SQL Server (MSSQL) to IBM DB2. SQL statements are used to update information or retrieve data from a database.

Although most database systems use SQL, most of them also have their own additional extensions but the standard SQL commands such as “Select”, “Insert”, “Update”, “Delete”, “Create”, and “Drop” can be used to accomplish almost everything that one needs to do with a database.

Databases: Oracle, Sybase, Microsoft SQL Server, Access, Ingres, MySQL (GPL), PostgreSQL (BSD license), SQLlite

(Adapted from http://sqlcourse.com/intro.html with formatting and other minor adjustments)

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