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 use more than one null value for unique key?

Answer Posted / debdut bhaumik

Yes , More than one field can be NULL in a unique Key
column. Because a Null values is not equal to another null
value. So, no duplicate value is there.

Is This Answer Correct ?    26 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can there be 2 primary keys in a table?

997


Why are sql stored procedures used?

1057


What sql does db2 use?

983


Table A Table B 1 1 2 1 3 1. Union & union all --> A Union B , A Union all B 2. Minus , Intersect --> A minus B , B Minus A , A Intersect B 3. Joins A join B , A Left Join B A Right Join B , A full Join B 4. %Type - Uses & Benifit 5. Truncate & Delete 6. Pragma Autonomus Transaction 7. how to Perform DDL from function or procedure 8. Can we have DML inside Function 9. Rank & Dense Rank diffrence 10. Water Mark in Oracle 11. Index , Can we have index in all column of table if no then why ?

1029


how to include comments in sql statements? : Sql dba

959


what is a unique key ? : Sql dba

1093


Is not null in sql?

997


How does pl sql work?

965


Is it possible for a table to have more than one foreign key?

1030


Is sql microsoft?

1058


What is full join?

954


Why do we need pl sql?

981


Can we use ddl statements in stored procedure sql server?

1012


what is a constraint? : Sql dba

1173


What are sql functions? Describe in brief different types of sql functions?

1104