SQL Tutorial For Intermediate

What is SQL? SQL is a database query language we use it for operating databases. It is used for storing and managing data in Relational DBMS, the operations included are creation, deletion, modifying rows, etc. SQL is standardized by ANSI (American National Standards Institute).Let us learn in detail about SQL.SQL is a Relational Database Management Systems (RDMS), that is, it is a standard language for Relational Database system.Examples of RDMS are MySQL, MS Access, Oracle, Sybase, Informix, Postgres and SQL Server, they all use SQL as their standard database language.Different used dialects are –MS SQL Server using T-SQL,Oracle using PL/SQL,The MS Access version is called JET SQL (native format) etc.