Can you please differentiate between a primary key and a unique key?
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i need some interview questions on sql server developer plz any onee send some links.
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create table with fields ID, reserved_by,res_date res_date is datefield like 2010-03-09 00:00:00.000 from 2005 to 2006 any date assume based on res_date need to slect table and display based on month (full jan details in database irrespective of date and year
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