Does oracle use sql?

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Where can I learn sql for free?

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Which is better cte or subquery?

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

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How subquery works in sql?

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Can 2 queries be executed simultaneously in a distributed database system?

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Hello All, Could any well write a query for the following scenario. Account(table name) No Name Amount 1 ABCD 2000.00 2 DEFG -2000.00 3 GHIJ 3000.50 4 JKLM 4000.00 5 MNOP 6000.00 O/p Should be in this format No Name Credit Debit 1 ABCD 2000.00 0 2 DEFG 0 -2000.00 3 GHIJ 3000.50 4 JKLM 0 -4000.00 5 MNOP 6000.00 o could any one give appropriate query for this Thnks in Advance

5 Answers   Target,

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what is the difference between varray and table data type..please expalain with some examples... under what situation you will go for varray..instead of index by table...

1 Answers   HCL, Satyam,

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What are the properties of a transaction?

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1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

1 Answers   Polaris,

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What is diff between bulk collect and forall

3 Answers   Metric Stream,

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What is substitution variable in pl sql?

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