What are commit, rollback, and savepoint?

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how to extract a unit value from a date and time? : Sql dba

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explain what is mysql? : Sql dba

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What's the difference between inner join and left join?

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If i can use sys.check_constraints to display my constraints from my database using sql server 2005, how can i display then if i am using sql server 2000????

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What are different joins used in sql?

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table - new_no old_no 2345 1234 3456 2345 5678 4567 output sud be -new_no 1234 2345 3456 4567 5678

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Source is Sales Table: Sno Prod Sales Sales_Amount 1 A 10 2000 2 A 20 1000 3 C 10 3000 4 D 30 4000 5 A 20 1000 Target : Sales_Count T_Sales_Amt Sales_Count(A) T_Sales_Amt(A) 90 11000 50 4000 In single query, pls tell me.

5 Answers   CGI,

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What does select count (*) mean in sql?

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What is sqlservr exe?

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define sql update statement ? : Sql dba

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Give the order of sql select?

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