Difference between uniqe index and uniqe constraint?

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Why we use functions in sql server?

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What is apply operator in sql?

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Explain what are the events recorded in a transaction log?

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What is the difference between a Local temporary table and a Global temporary table? How is each one used?

2 Answers   HCL,

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i want to join two queries....and i want to run them as one after another that is want output of first query then second , then again output of first query then second and so on...

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I have Two table First have UserName and second is address, in address table more than value relegated to UserName table, i want to fetch 2nd address if exist other wise 1st address access

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1.what is the purpose of using alias name in sql server? with certain example? 2.what is cursor?will u plz explain me in detail with certain example?

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How do triggers work?

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How make remote connection in database?

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Which is faster statement or preparedstatement?

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What are extended events in sql server?

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