Interested to Buy Any Domain ? << Click Here >> for more details...
what is Constraint? How many types of constraints in SQL ?
- 38 Answers
- 89638 Views
- HCL, IBM, NIIT, Wipro, I also Faced
- E-Mail Answers
Answer Posted / shankar k
Constraint are used to table columns validations.
there are some constraints.
Primary key,
Foreign Key,
Not Null,
Check,
Unique Key,
default
| Is This Answer Correct ? | 43 Yes | 10 No |
Post New Answer View All Answers
What is best institute to Learn DotNET And SQL in chennai?
How to view the error log for any specific instance? : sql server database administration
How to drop an existing user defined function in ms sql server?
Does full backup break log chain?
What is log shipping? Can we do logshipping with SQL Server 7.0 - Logshipping is a new feature of SQL Server 2000. We should have two SQL Server - Enterprise Editions. From Enterprise Manager we can configure the logshipping. In logshipping the transactional log file from one server is automatically updated into the backup database on the other server. If one server fails, the other server will have the same db and we can use this as the DR (disaster recovery) plan.
What is the difference between getdate and sysdatetime?
what is a join and explain different types of joins? : Sql server database administration
what are the steps you will take, if you are tasked with securing an sql server? : Sql server database administration
Which is better statement or preparedstatement?
Explain what are the events recorded in a transaction log?
What is built-in function?
Which joins are sql server default?
What are cursors stored procedures and triggers?
What is mean by dml?
How to create new table with "create table" statements?
