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 mean by prmary key and foreign key and how can we
diffrentiate that?
Please answer me.
Advance thanks.

Answer Posted / b.jaganathan

PRIMARY KEY: the key which is used in the database table
for an identification is said to be a "PRIMARY KEY"....


FOREIGN KEY: the key which is used in the another database
table is said to be a foreign key, for the specified data
table........

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain the use of consistent option in exp command.

1009


How to convert raw data type into text in oracle? Explain

965


Compare and contrast between sql and sql server and explain its various functions?

935


What is a relational database management system?

1089


Explain joins in oracle?

998


How to create an initialization parameter file?

1008


What is merge statement used for?

991


What are the different windows events activated at runtime ?

2858


Explain an exception?

959


What is the max number of columns in an oracle table?

957


What are the benefits of ordbms?

1052


What is parameterized cursor in oracle?

1092


1) Does oracle have any table which contain all the exceptions and it's code internally?

1718


What is a directory object?

1046


How to generate query output in html format?

1064