Difference between primary key and unique key ?
Answer Posted / pankaj kumar tiwari
primary key create index it means its value inserted in
sequence but in unique, we insert data in any order
Is This Answer Correct ? | 15 Yes | 6 No |
Post New Answer View All Answers
How to write text literals in oracle?
What is the difference between sharding and partitioning?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
What are the different windows events activated at runtime ?
What is the recommended interval at which to run statspack snapshots, and why?
List out the types of joins.
Can you assign multiple query result rows to a variable?
How to create a new view in oracle?
How to install oracle database 10g xe?
How many file formats are supported to export data?
WHEN CURSOR MOVES FROM ONE FORM TO ANOTHER FORM, HOW MANY TRIGGER WILL BE FIRED AND WHAT ARE THEIR SEQUENCE?
Explain the difference between replace() and translate() functions in oracle?
How does propagation differ between Advanced Replication and Snapshot Replication (read-only)?
How to load data through external tables?
How to delete a user account in oracle?