In this pdf sql notes w3schools we cover all the important topic of sql which help you to learn basic to advance tutorial of sql (pdf)
Full form of SQL is Structured Query Language, that could be a language to storing, retrieving and manipulating information stored in a relational database.
SQL is a standard language for Relational Database System (RDS).
All the Relational Database Management Systems (RDMS) like MySQL, Oracle, Sybase, Postgres , SQL Server etc. use SQL language.
SQL is most popular because SQL offers the following advantages −
Using SQL user can access data in the relational database management systems.
Using SQL user can describe the data.
Using SQL user can define the data in a database and manipulate that data.
Using SQL user can create and drop databases and tables.
Using SQL user can create view, stored procedure, functions in a database.
Using SQL user can set permissions on tables, procedures and views.
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