What is difference between foreign key and unique key?
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What is tablesample?
Can Having clause be used without Group by clause?
6 Answers CarrizalSoft Technologies, CSC, CTS,
How would you choose between a clustered and a non-clustered index?
What is the return type of executeupdate ()?
What is the difference between a primary key and a unique key? Are they the same?
what is lazy writer?
when we use function instead of procedure? plz tell me the situation with ex?
What is ems sql management studio? : sql server management studio
Explain about Views?
What is user defined stored procedures?
from the table display the 2nd highest salary? and also the least 2nd salay?
In performance wise distinct is good or group by is good? eg:select name from emp group by name; select distinct name from emp;
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