Difference between primary key and unique key ?
- 77 Answers
- 199549 Views
- Accenture, B2B Software Technologies, Cognizant, HP Finsoft, IndiaNIC, Karomi Technology, Keane India Ltd, L&T, Onward eServices, R Systems, Shakti, Techtic Solutions, I also Faced
- E-Mail Answers
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
What is hot backup and logical backup?
How to put more than 1000 values into an oracle in clause?
How to create a single index for multiple columns?
How to drop an existing table in oracle?
What is the difference between pre-select and pre-query?
What is the scope of a local variable?
What are the limitations oracle database 10g xe?
How to run queries on external tables?
Oracle
what is normalisation?what are its uses?
What is BBED in Oracle?
What is a parameter file in oracle?
State the various uses of dbcc command?
Write a trigger example in oracle?
Can we store images in oracle database?
