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 the difference between primary key & foreign key?

Answer Posted / suneel manne

Primary key is a key it will allow only Unique values and
avoid duplicate values and foreign key is a reference key
from the other table, So here primary key acts as a parent
key and foreign key acts as a child key.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is oracle datasource?

1039


How would you change old and new values in an insert, delete and update triggers?

1074


How translate command is different from replace?

1140


How to connect to a remote server?

1187


What is clustered table in Oracle?

1257


How to rename a tablespace in oracle?

1123


How to unlock the sample user account in oracle?

1076


What is memory advisor in Oracle?

1131


What is the fastest query method to fetch data from the table?

1413


Explain the difference between a procedure and a function? What do you understand by those terms?

1134


What is a trigger oracle?

1136


Can select statements be used on views in oracle?

1082


How to count duplicated values in a column in oracle?

1103


What are a collation and state the different types of collation sensitivity?

1233


What are transaction isolation levels supported by oracle?

1114