At AnswersPortals we offer you  the option to interact directly with the concerned expert so that you can  explain what exactly is required to be done in your SQL assignment. SQL is a database computer language designed for the  retrieval and management of data in relational database. SQL stands for  Structured Query Language. Some common relational database management systems  that use SQL are: Oracle, Sybase, Microsoft SQL Server, Access, Ingres, etc.   Although most database systems use SQL, most of them also have their own  additional proprietary extensions that are usually only used on their system.