Fact U Ever Wanted to Know!

There are three basic update operations on relations. They are ; 1.Insert Operation 2.Delete Operation 3.Modify Opera...

Assertion An assertion is a predicate expressing a condition we wish the database to always satisfy. Domain constraints, functional...

All data in relational database is stored in tables. Every tables has a table name and a set of columns and rows in which the data is st...

Views (virtual Tables) in SQL : The SQL DDL includes commands for defining views.A views is customized presentation of the data from one...

SQL (Structured Query Language) is a syntax for executing  queries  . But the SQL language also includes a syntax to update,insert and...

The Data Definition Language (DDL) part of SQL permits database tables to be created or deleted. We can also define indexes (keys), sp...

SQL is the set of commands that programs and users may use to access data within the database that supports it.  Application programs an...