What is the use of group by clause?
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If you are working on a SQL database and if suddenly a developer changes the code and your queries results start giving errors,how will you check using a T-SQL query (on system tables) that what has changed in the database.
Find 2nd Highest salery in emp table Select* from emp where &n= select * count from emp where (salery >=emp.salery) Enter n value 2 These query is correct or not. Tell me any other methods.
Thanks to some maintenance being done, the sql server on a failover cluster needs to be brought down. How do you bring the sql server down?
Where is trigger in sql server?
How to find out name of all employees who has salary less than 200 Rs.?
Tell me about normalization in DBMS.
What is sql server 2000 work load governor?
How do you debug a procedure in sql server?
two tables are there.1st table EMP has two columns ID and name and contains data 1,A 2,B 3,C 2nd table EmpSal has 2 columns ID and Salary Contains data -1,1000 2,5000 3,3000 Find name of employee having maximum salary ?
Explain what are commit and rollback in sql?
Which one is faster delete/truncate? Why?
What is the difference between varchar and nvarchar?