Declare the cursor,
Open the cursor,
Fetch record row by row,
Close cursor,
Deallocate cursor.
Example of a cursor
Declare @EmpId int
Declare curEmp CURSOR READ_ONLY FOR SELECT EmpId FROM Employee
Open curEmp
Fetch next from curEmp into @EmpId
While @@FETCH_STATUS = 0
Begin
Print @EmpId
Fetch next from curEmp into @EmpId
End
Close curEmp
Deallocate curEmp
What is denormalization and when would you go for it?
What are the different ways of moving data/databases between servers and databases in SQL Server?
Tell me what are the steps you will take to improve performance of a poor performing query?
When you create a database how is it stored?
Explain the storage models of OLAP?
What is an index? What are the types of indexes? How many clustered indexes can be created on a table? I create a separate index on each column of a table. What are the advantages and disadvantages of this approach?
CREATE INDEX myIndex ON myTable(myColumn)What type of Index will get created after executing the above statement?
What's the difference between DELETE TABLE and TRUNCATE TABLE commands?
What are the new features introduced in SQL Server 2000 (or the latest release of SQL Server at the time of your interview)? What changed between the previous version of SQL Server and the current version?
What are defaults? Is there a column to which a default can't be bound?
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