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 is primary key?

Answer Posted / kiran

to simply answer this question - a primary key is something
which has both unique and not null constraints on the
colums-table

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to define an oracle sub procedure?

1120


What is the difference between hot backup and cold backup in oracle? Tell about their benefits also.

956


what happened to the global index when I truncate the data in one of the partition?

2011


if you ctreate table identity

2356


How to display row numbers with the records?

1066


How to select an oracle system id (sid)?

1050


Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.

2101


How to execute a stored procedure in oracle?

1069


I have a table called 'test' on source and target with same name, structure and data type but in a different column order. How can you setup replication for this table?

1090


How to end the current transaction in oracle?

1018


What are the set operators union, union all, minus & intersect meant to do?

975


What are named parameters?

1077


How do I spool to a csv formatted file using sqlplus?

1010


In AP we done Customizations for Late Payments Charges. For Reporting Purpose What are the Documents Prepared for Customer Understanding??

1636


How to list all user accounts in oracle?

1010