Interested to Buy Any Domain ? << Click Here >> for more details...
what is the difference between primary key & foreign key?
- 57 Answers
- 137400 Views
- CTS, Infosys, La Multi, Sparsh, Wipro, I also Faced
- E-Mail Answers
Answer Posted / zacharia ismail
primary key: primary creates a clustered index on the
column and it doesn't allow null values.
foreign key: A foreign key (FK) is a column or combination
of columns used to establish and enforce a link between the
data in two tables.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Explain the use of full option in exp command.
How to put more than 1000 values into an oracle in clause?
how to join query for one source type is oracle another source type is sql server ?
What is an oracle?
How to export data with a field delimiter?
What is ADDM Advisor in Oracle?
What is the difference between truncate & delete command?
What are the different types of record groups in oracle? Explain each of them
Does oracle database need java?
Explain the characteristics of oracle dba?
How to connect to the server with user account: sys?
Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?
What is translate in oracle?
What do you mean by merge in oracle and how can we merge two tables?
What are the different oracle database objects?
