How can u get the number of pupils connecting the database?
What is unique key constraint?
State the difference between union and union all?
What are the differences between having and where clause.
What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure?
how would you improve etl (extract, transform, load) throughput?
What is a primary key?
What is difference between temp table and cte?
What is the difference between coalesce() & isnull()?
How do I view a trc file?
Explain the truncate command?
What are different types of statement?
What is for xml in sql server?
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