what is Constraint? How many types of constraints in SQL ?
Answer Posted / srinivas
Constraint are the rules enforced on data columns on table
Five type of constraints
Primary key
Unique Key
Foreign Key
Not Null
Check
Is This Answer Correct ? | 28 Yes | 14 No |
Post New Answer View All Answers
What are the different types of columns types constraints in the sql server?
What is the name of reporting services config file and what’s it’s used for?
Can we add an identity column to decimal datatype?
What is sql server profiler?
What is user defined stored procedures?
What is a heap?
In one interview...interviewer ask me question pleas tell me sql server architecture.. can any body tell me the sql server architecture with digram
What is xdr?
What is exclusive locks?
What according to you is the difference between mysql and sql server performance?
How to create a simple user defined function in ms sql server?
What is the use of stored procedure?
Explain the ways to controlling cursor behavior?
Explain in details security in SQL azure?
How do I connect to sql server database?