what is the difference between primary key & foreign key?
Answer Posted / praneeth
primary key helps in uniquely identifying the records in a table
a foreign key is a field that points to the primary key of another table which links one table to another table
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Describe varray?
Which are the five query types available in oracle?
What is bulk collect in oracle?
How to shutdown your 10g xe server from command line?
Explain joins in oracle?
How to enter a new row into a table interactively?
 What are the oracle DML commands possible through an update strategy?
what is reindexing?
What is hot backup and logical backup?
How to retrieve values from data fields in record variables?
What do you mean by group by clause?
What are the tools for Oracle ?
Can multiple columns be used in group by in oracle?
Explain about your project and its relation to the current job position you are applying to?
I creat Credit memo in AR. Now i want revers the Credit Memo.how you can revers that what out any aditional entry.