No. It can be at table level, but this will get failed while referencing

If a table column has is UNIQUE and has NOT NULL, is it
equivalent to a PRIMARY KEY column?

Question Posted / yuva

Answer Posted / yuva

No. It can be at table level, but this will get failed
while referencing in another table.

Is This Answer Correct ?

13 Yes

5 No

Please Help Members By Posting Answers For Below Questions

How to change system global area (sga) in oracle?

764

Does oracle database need java?

722

How to insert multiple rows with one insert statement in oracle?

769

11. Display the client number and name and the client number and name of the person who referred that client.

2083

How to name query output columns in oracle?

889

what is the use of triggers in Java program? I mean where do we use triggers in Java programming?

1922

How do I manually create a database in oracle?

725

Where do you use decode and case statements?

734

How to sort output in descending order in oracle?

812

How to download oracle database 10g xe?

772

How do I spool to a csv formatted file using sqlplus?

703

Can we convert a date to char in oracle and if so, what would be the syntax?

748

What is an oracle transaction?

774

Design database draw er diagram for a certain scenario ?

4307

What is oracle database 10g express edition?

786