if table named a is there and 4 records are there then how to swap (1 and 3) and (2 and 4) records at a time

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How do I get sql certification?

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What is the difference between union and union all command?

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Difference between NVL, NVL2 and NULLIF

1 Answers   CTS, Metric Stream,

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What is execute immediate?

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What are the advantages of sql? Explain

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declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?

3 Answers   Oracle,

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what are the demerits of sql?

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What are aggregate functions in sql?

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what are the different index configurations a table can have? : Sql dba

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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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Is sql better than access?

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