Difference between primary key and unique key ?
Answer Posted / pawan mishra
One table may have more than one Unique Key Constraint
columns, but should have only one Primary Key Constraint
column.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How to start instance with a minimal initialization parameter file?
What is the difference between postgresql and oracle?
Can we store images in oracle database?
What is private procedure oracle?
What is sequence?
Explain the truncate in oracle?
Explain the types of exception?
Explain table?
Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.
How to import one table back from a dump file?
What are operators in oracle?
How to create a new view in oracle?
How to join two tables in a single query using oracle?
What is redo log?
How can we force the database to use the user specified rollback segment?