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...

  1. Categories >> Software >> Databases >> Oracle >> Oracle General
  2. Suggest New Category

What is difference between UNIQUE constraint and PRIMARY KEY
constraint ?

Question Posted / allin

Answer Posted / allin

The Primarykey Constraint= unique + Not Null constraints.
For the Unique the meaning it self it is telling unique
value. won't accept duplicate values.

Thanks & Regards,
RatnaRao
9833847339

Is This Answer Correct ?    9 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to write an inner join with the where clause in oracle?

1041

How to create a new view in oracle?

1069

hey friends, What are the steps I can do to transfer the database from Microsoft Access 2003 to oracle10g (or SQL) Best regards

1997

Which are the five query types available in oracle?

947

List the parts of a database trigger.

1047

Explain oracle left join with an example?

1002

Briefly explain what is literal? Give an example where it can be used?

1022

How to sort the query output in oracle?

1023

What is Reduced List of Values?

2158

how can we store any pdf file in oracle

2158

How to define a sub function?

1122

Does oracle database need java?

996

Oracle

2371

What is the usage of synonyms?

1133

Explain the use of control file?

1101