how to do backup entire database? : Transact sql

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What is a record in a database?

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What is difference between procedure and trigger?

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How does index help in query performance?

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How do you update a table in sql?

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How sql query is executed?

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What is trigger in sql? Explain

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using subquery how can i calculate working days in a month?

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Its possible to add more than one primary key for the table

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.  have a tablle like this: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 I Want below o/p: cust acc --------------- a 1 b 2|3 c 4|5|6 Please any one can you have any ideas share me. I have urgent requirement. CUST         ACC a            dv b            fg b            bh c            mk c            cl c            so result:- A  B   c dv fg mk    bh cl       so

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How do you define a foreign key?

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What is auto increment feature in sql?

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