Types of optimization?

6 Answers   Microsoft,

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how to retrieve the top 3 salaries of the table using rownum

31 Answers   Oracle,

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I want to create synonym for table emp but in my pc it is giving insufficient previliges.I am using user scott.Please suggest me.

3 Answers  

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What is the difference between a subquery and a join?

0 Answers  

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In table three columns with 1 milion records(here there is no sequence values) i want add one more column with sequence values from the first how it is posible?

4 Answers   Tech Soft,

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Does varchar need length?

0 Answers  

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I have a tablle like this. cust acc --------------- a 1 b 2|3 c 4|5|6 I Want below o/p: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 Please any one can you have any ideas share me. I have urgent requirement.

4 Answers   Cap Gemini, MTS,

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Define select, insert, create, delete, update, drop keywords

0 Answers  

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What is sql exception?

0 Answers  

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What is nosql example?

0 Answers  

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What is the maximum size of sqlite database?

0 Answers  

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How many sql core licenses do I need?

0 Answers  

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