How to revise and re-run the last sql command?

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i have some prob lem to tell me about my self in interview first round ...

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Which are the most commonly used sql joins?

1 Answers  

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What is compilation error in pl sql?

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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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what is meant by databases

4 Answers  

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what is a foreign key ? : Sql dba

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What do you think about pl/sql?

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How do you exit in sql?

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what is the difference between trigger and storedprocedures

16 Answers   Tech Mahindra,

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How does join work in sql?

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What trigger means?

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