what is the difference between primary key & foreign key?

Answer Posted / ilakarthi

primary key is available in foreign key but not available in the foreign key for a primary key

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to start a new transaction in oracle?

593


Why does oracle 9i treat an empty string as null?

539


What do you mean by a database transaction & what all tcl statements are available in oracle?

553


What is merge statement used for?

570


What is rich query?

544






How to define an explicit cursor in oracle?

603


What is enter substitution variable in oracle?

573


How to rebuild an index in oracle?

556


What do you understand by a database object? Can you list a few of them?

610


How to list all tables in your schema?

609


What is a private synonym?

1086


What is coalesce function?

575


Explain temporal data types in oracle

609


How to create a single index for multiple columns?

564


interview questions with answer for cts

2090