How will you differentiate between varchar & varchar2?

0 Answers  

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I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?

2 Answers   Zensar,

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Differentiate between post-database commit and post-form commit?

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What is coalesce function?

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What is Read-Only Transaction ?

3 Answers  

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How to add a new column to an existing table with a default value?

0 Answers  

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How to select an oracle system id (sid)?

0 Answers  

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i have procedure p1.and also i declare the same procedure in a package. whice one is efficient package procedure or procedure?

2 Answers   Microsoft,

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How to grant create session privilege to a user in oracle?

0 Answers  

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List the parts of a database trigger.

0 Answers  

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normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi

0 Answers   iFlex,

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What is a Synonym ?

3 Answers  

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