Explain difference between control flow and data flow?
how do u do Performance tunning ?
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Is a primary key unique?
The Difference between 'Count' and 'Count(*)'
What samples and sample databases are provided by microsoft?
Can we have more than one NULL in a column having unique constraint?
What is an etl file?
Tell me about the approaches which you used to counter the DI problems.
Find top Nth employee from each department in terms of salary?
List some advantages and disadvantages of stored procedure?
What is local temp table?
What is spid in sql server profiler?
What are the tool windows in sql server management studio? : sql server management studio