Today let me say u about SQL..
SQL is a standard language for accessing and manipulating databases.SQL stands for Structured Query Language.It lets you access and manipulate databases. Mainly it is an ANSI (American National Standards Institute) standard.
- SQL can execute queries against a database.
- SQL can retrieve data from a database.
- SQL can create,insert,update,delete records in a database.
- SQL can create new tables,stored procedures,views in a database.
- SQL can set permissions on tables, procedures, and views.
- RDBMS stands for Relational Database Management System.
- RDBMS is the basis for SQL, and for all modern database systems like MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access.
- The data in RDBMS is stored in database objects called tables.
- A table is a collections of related data entries and it consists of columns and rows.
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