If a table column has is UNIQUE and has NOT NULL, is it
equivalent to a PRIMARY KEY column?
Answer Posted / amit
if that so then your referential entrigity will be spoil
foreign key will not be recognised means data will not true.
Is This Answer Correct ? | 5 Yes | 8 No |
Post New Answer View All Answers
how to code performance tuning of oracle PL/SQL? can any body send me the perfect answer?
WHAT IS THE DEFINITION OF DEFAULT CUSTOMER IN AR?
In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.
What is the use of oracle?
What are the numeric comparison operations?
What is the difference between post-database commit and post-form commit?
How would you best determine why your MVIEW couldnt FAST REFRESH?
How to assign values to variables?
How to display employee records who gets more salary than the average salary in the department?
How to unlock the sample user account in oracle?
Is there any way to find out when one specific table/view/M-view is used last time. i.e. when one specific object is used in any SELECT statement.
What is a snapshot in oracle database?
What is an Oracle Instance?
What is the difference between hot backup and cold backup in oracle? Tell about their benefits also.
How to increment dates by 1 in oracle?