Can we use more than one null value for unique key?
- 31 Answers
- 56835 Views
- A1 Technology, Wipro, I also Faced
- E-Mail Answers
Answer Posted / pavani
No, we can't use more than one null value for unique key.
Unique means it doesn't accept duplicate values.
| Is This Answer Correct ? | 41 Yes | 67 No |
Post New Answer View All Answers
What is time based sql injection?
What is difference between stored procedures and application procedures?
What are the different operators available in sql?
what is a unique key ? : Sql dba
What does truncate mean in sql?
What are the types of dbms?
Who developed sql?
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
what are the join types in tsql? : Transact sql
what is a tablespace? : Sql dba
Why select is used in sql?
Explain the difference between rename and alias?
What is a join query?
How to start oracle sql developer?
Can you have more than one trigger on a table?
