1. What are the grouping function in SQL ?
2. If base table of a view deleted means, what will happen
while we querying on view ? will give any error ?
3. Difference between DROP, DELETE, TRUNCATE table ?
4. What is constraints and types ?
5. What is max size of nchar & nvarchar ?
6. Define ROLLBACK, COMMIT, SAVE POINT
7. How non-clustered better ? or rank the Clustered,
Non-Clustered and Table scan in performance wise
8. Select 10 rows from a table ?
9. Define DML, DDL, DCL, DTL commands ?
10. What is mean by NULL value ? NULL means "" or 0 or
undefined ?
11. Default constraints ?
12. Can we have more then primary Key in table ?
13. Type of integrity ? Entity, Referential, Domain ?
Answer Posted / srivas
Can we have more then primary Key in table ?
Answer : We can't use more than one Primary key in a
table because Primary key is Unique Value.
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
Which are the new data types introduced in sql server 2008?
Why is replication required on the sql server?
What is the difference between web edition and business edition?
Is it possible to replicate data from sql server to oracle? : sql server replication
Stored Procedure returns data from multiple tables. How to access it in your ASP.Net code?
create index myindex on mytable(mycolumn) what type of index will get created after executing the above statement? : Sql server database administration
What are the different types of indexes?
How do I find the transaction log size in sql server?
what is the system function to get current user's user id? : Sql server database administration
What is scan table/view and seek table/view when its occurs? : sql server database administration
What are the methods used to protect against sql injection attack?
Why main is user defined function?
What is trace flag in sql server?
role of sql sever 2005 in database rather than any other database
Write a SQL query to delete a table?