what is the difference between primary key & foreign key?
Answer Posted / raji
foregin key reference a primary key in another table
and primary key is used to identify a row.
Is This Answer Correct ? | 30 Yes | 10 No |
Post New Answer View All Answers
How to count groups returned with the group by clause in oracle?
What is a database table in oracle?
Explain alias?
How many anonymous blocks can be defined?
what is the dual table in oracle?
How to connect to a remote server?
Can you assign multiple query result rows to a variable?
How to use an explicit cursor without open statements?
How to rename a column in an existing table?
What are the extensions used by oracle reports?
How to define an anonymous block?
Explain what are synonyms used for?
What are the common oracle dba tasks?
What are the uses of synonyms?
How to get a list of all background sessions in the database?