Close cursor when it is not required.
You shouldn’t forget to deallocate cursor after closing it.
You should fetch least number of records.
You should use FORWARD ONLY option when there is no need to update rows.
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?
How do you implement one-to-one, one-to-many and many-to-many relationships while designing tables?
What is database replication? What are the different types of replication you can set up in SQL Server?
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