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

0 Answers  

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What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?

9 Answers   Oracle,

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Are there any features that are decommissioned in 11g that are not present in 11g?

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What are the benefits of stored procedures?

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what is bcp? When is it used?

0 Answers  

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Can you have a foreign key without a primary key?

0 Answers  

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What are the various restrictions imposed on view in terms of dml?

0 Answers  

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Explain alias in sql?

0 Answers  

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is mysql query is case sensitive? : Sql dba

0 Answers  

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Is left join faster than join?

0 Answers  

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I have 2 table A and B. In A 1 lakh record is present. In b 20 thousand data is present. To get the unique data from table A and B which join we should prefer left inner join or right outer join. Please answer.

4 Answers   GE,

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how to use case expression? : Sql dba

0 Answers  

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