what is the difference between primary key & foreign key?
- 57 Answers
- 122256 Views
- CTS, Infosys, La Multi, Sparsh, Wipro, I also Faced
- E-Mail Answers
Answer Posted / rathika
only one primary key on the table.
more than one foreign key on a table
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How to do a full database export?
is there a tool to trace queries, like profiler for sql server?
How to concatenate two text values in oracle?
What are set operators?
Why do you use stored procedures and state some of its disadvantages?
What is a sub query? Describe its types?
How does Oracle guarantee data integrity of data changes?
How to update values on multiple rows in oracle?
what happened to the global index when I truncate the data in one of the partition?
20. Using a set operator, display the client number of all clients who have never placed an order.
What are the execution control statements?
Explain about your project and its relation to the current job position you are applying to?
How to create a new table in oracle?
What is primefaces used for?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
