What is the difference between Primary key and
unique index?
- 6 Answers
- 8194 Views
- I also Faced
- E-Mail Answers
Answer Posted / rams
Primary Key is Unique and Not Null. Unique index can be defined on Primary Key or any other Unique column in the table. Unique index can have a Null Value unlike Primary Key.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
What is the purpose of using commit?
What is access path in db2?
How to create db2 table in mainframe?
What is plan in cobol db2?
Can you use max on a char column?
Explain the function done by data manager?
What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?
What are the bind parameters ibm db2?
Why do chiropractors use drop table?
What are concurrency issues?
What does a deadlock mean in DB2?
How many databases are there?
How do we specify index to include or not during bind process.
What does reorg do in db2?
What is load utility in db2?
