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 primarykey?what is difference between primary key
and forign key?

Answer Posted / ipsita

Primary key we means a unique and ascending key, which is
the primary, access path for a PF and cannot contain null
values and foreign key the key in the dependent file.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

when would you use or not use this approach?

1539


How to debug a batch job when it is in messagewait(mswg) status. I know the steps for batch ebugging, but im confusing with when we submit any job for batch debug we put in held state. So here also do same thing or any other way?

1259


maximum number of subfiles that can defined in a rpg program for one display file is?

1983


how many maximum spaces could be given in o specs?

1079


what is the maximum number of fields under a record format of physical file?

1843


can anybody give the interview questions list of RLU. plz mail me: dinesh_sati07@yahoo.com

2723


how do you use exceptional write in c specs?

1884


what opcode could be used to test an alphanumeric field for all numeric values?

1760


what are the important factors in error message subfile ?

1008


In Which Specs Arrays, Tables & Constants Are Defined?

1165


how do you read changed records backward in subfile?

1090


when would you prefer logical file than opnqryf?

2426


is their a difference in cobol400 for the release 5.2 and 6.1 at the as400.

2560


Apart from opening of a file do we have any other use of USROPN?

1376


define the purpose/use for sflrna?

1640