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...

Can we have more than one NULL in a column having unique
constraint?

Answer Posted / p.prabhu

No we cant have More than One Null in a column which is
having Unique Key Constraint. Because Unique Key Constraint
means having a value only once in the column.

Is This Answer Correct ?    4 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Differentiate between a having clause and a where clause.

962


How do you manipulate data?

900


Can we write trigger for view?

1002


Ms sql server index?

1060


What are the different types of indexes?

1110


What are character string data types in ms sql server?

1240


What is 2nf example?

988


What are the key configuration files for sql server reporting services ?

167


What is meant by indexing?

1015


What is normalization 1nf 2nf 3nf?

1058


A trigger can reference objects outside the current database? State true or false.

1003


Is truncate a dml command?

940


What is the difference between functions and scalar functions?

1204


Can truncate be rolled back?

935


What is correlated subquery in sql server?

1063