Different property of subquery

A subquery must be enclosed in the parenthesis.


A subquery must be put in the right hand of the comparison operator, and
A subquery cannot contain a ORDER-..

What is Composite Indexes in SQL Server

A composite index is an index on two or more columns. Both clustered and nonclustered indexes can be composite indexes. Composite indexes are especially useful ..

What does ON DELETE CASCADE and ON UPDATE CASCADE do

Specifies that if an attempt is made to delete a row with a key referenced by foreign keys in existing rows in other tables, all rows containing those foreign k..

Differnce between HttpGet and HttpPost

HTTP GET and HTTP POST use HTTP as their underlying protocol. Both of these methods encode request parameters as name/value pairs in the HTTP request.
The GET ..

What is the use of MaintainScrollPositionOnPostBack property

MaintainScrollPositionOnPostBack property for Page directive is used to get or set a value which is true or false. Whether to return the user to the same scroll..

Difference between web service and WCF service

ASP.NET Web services is develop for building applications that send and receive messages by using the Simple Object Access Protocol over HTTP. The structure of ..