Interested to Buy Any Domain ? << Click Here >> for more details...
what is the difference between primary key & foreign key?
- 57 Answers
- 137383 Views
- CTS, Infosys, La Multi, Sparsh, Wipro, I also Faced
- E-Mail Answers
Answer Posted / himabindu
primary key is unique.it does not allow null&duplicate
values.it is individual.
foreign key always refers primary key.it is
independent
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is a table in oracle?
please explain.. DB architecture ...
State some uses of redo log files?
Explain oracle’s server parameter file.
What is bulk copy or bcp in oracle?
How to create a testing table in oracle?
what is the use of system.effective.date variable in oracle?
What are operators in oracle?
How to bring a tablespace online?
normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi
What is a select query statement in oracle?
How can you use check constraints for self referential integrity?
What is the minimum client footprint required to connect c# to an oracle database?
How to write numeric literals in oracle?
what is reindexing?
