INTERSECT - returns all distinct rows selected by both queries. MINUS - returns all distinct rows selected by the first query but not by the second. UNION - returns all distinct rows selected by either query UNION ALL - returns all rows selected by either query, including all duplicates.
Please explain why would you call Update Statistics?
How to start SQL Server in different modes?
Tell me why would you use SQL Agent?
Tell us about your SQL Server DBA Experience?
Do you know what happens on checkpoint?
Tell us can we hot add CPU to SQL server?
Do you know what purpose does the model database serve?
Tell me what is Transparent Data Encryption?
Tell us how many files can a Database contain in SQL Server?How many types of data files exist in SQL Server? How many of those files can exist for a single database?
Tell us do you have experience working with Hadoop?
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