What are constraints? Explain different types of
constraints?
Answer Posted / md. aftab alam
It is a part of the table definition that are used to limit the values entered into its columns.its type are
1. Not null
2. Unique
3. primary key
4. Ckeck
5. Reference key
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Benefits of Stored Procedures?
How to enable/disable indexes?
What is a coalesce function?
What are sql servers used for?
What are different types of subquery?
What stored by the msdb?
What is store procedure?
If a table does not have a unique index, can a cursor be opened on it?
Explain the difference between clustered and non-clustered index?
What is a partition function in sql server?
Sql server reporting services vs. Crystal reports.
Can binary strings be used in arithmetical operations?
What is inner join? Explain with an example?
Difference between 2NF &3NF ?
what are constraints? Explain different types of constraints? : Sql server database administration