What is the difference between clustered and a non-clustered index?
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Explain different isolation levels?
Can the “if update (colname)” statement be used in a delete trigger?
When would you use it?
Delete duplicate records from the table?(Table must have unique id)
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What is logon trigger?
Can we use where clause with group by?
What is raid, and how it can influence database performance?
Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?
How to link tables in sql server?
What is blocking and how would you troubleshoot it?
How to a Query to copy data from on table to another table.
What is merge statement?
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