Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What are constraints? Explain different types of
constraints?

Answer Posted / manish nagar

Constraints are used to limit the type of data that can go
into a table.

Constraints can be specified when a table is created (with
the CREATE TABLE statement) or after the table is created
(with the ALTER TABLE statement).

NOT NULL
UNIQUE
PRIMARY KEY
FOREIGN KEY
CHECK
DEFAULT

Is This Answer Correct ?    12 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What does dml stand for?

940


last function used in MS Access to convert sql what function will use in sql

2060


What command is used to delete a table from the database in the sql server and how?

1098


application server is slow what may be the problem

2209


Explain what is the purpose of sql profiler in sql server?

1059


Explain external key management in sql server 2008

880


Explain candidate key, alternate key, and composite key?

987


What is the difference between for trigger and after trigger?

1095


What is a non-clustered index?

989


What is a linked server in sql server?

1065


Which are ddl commands?

1033


How to handle error or exception in sql?

972


What are the essential components of sql server service broker?

1009


Difference between DELETE and TRUNCATE?

1042


How to get a list all databases on the sql server?

1087