explain the type of contraints

Answer Posted / surya

Constraints are used to provide the scope to table data...
they are..
Primary key
unique key
not null
check
foriegn key
default..

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How do I create a trace in sql server?

694


What do you understand by physical_only option in dbcc checkdb?

747


How to get the definition of a stored procedure back?

708


how to use DTS package in 2000,2005,2008 in sql server

1611


Can you name a few encryption mechanisms in sql server?

689






How do I view a trc file?

682


How to modify an existing user defined function?

772


What is the difference between the export /import functions in sql studio and standalone sql manager? : sql server management studio

795


What is nonclustered index with included columns ?

709


What are the difference between clustered and a non-clustered index?

757


how many triggers you can have on a table? : Sql server database administration

704


What are “phantom rows”?

1409


What is sql server english query?

743


Can group functions be mixed with non-group selection fields in ms sql server?

700


Using the customer, and order table in northwind database, please write a query to produce xml?

848