A database computer language designed for the retrieval and management of data in relational database. SQL stands for Structured Query Language. Cassandra Tutorial gives unique learning on Structured Query Language and it helps to make practice on SQL commands which provides immediate results. SQL is a language of database, it includes database creation, deletion, fetching rows and modifying rows etc..sql interview questions| Top & Most Asked | Intellipaat SQL is an ANSI (American National Standards Institute) standard but there are many different versions of the SQL language.SQL is Structured Query Language, which is a computer language for storing, manipulating and retrieving data stored in relational database. SQL is the standard language for Relation Database System. All relational database management systems like MySQL, MS Access, Oracle, Sybase, Informix, postgres and SQL Server use SQL as standard database language. Also, they are using different dialects, such as: MS SQL Server using T-SQL, Oracle using PL/SQL, MS Access version of SQL is called JET SQL (native format) etc.