Tatireddy, Shrinivas (MED, Keane) wrote:
>
> Hi lists
>
> how to do the folloiwng inserts into a table?
>
> table xyz has col1,col2, col3.
>
> I need to populate the values to col1 from table dummy1 (cola)
> col2 table dummy2(colb)
> col3 table dummy3(colc).
>
> there is no relation between dummy1 , dummy2, dummy3. We cannot join
> these tables.
>
> can I insert data into xyz in a single shot.
>
> is there anything like
> insert into xyz values((select cola from dummy1 where....),
> (select colb from dummy2 where....),
> (select colc from dummy3 where.... )
> );
>
> srinivas.
insert into xyz
select v1.cola,
v2.colb,
v3.colc
from (select cola from dummy1 where ...) v1,
(select colb from dummy2 where ...) v2,
(select colc from dummy3 where ...) v3;
But be certain that each of the WHERE conditions returns a single row
(beware of cartesian products).
IMHO it may be easier to spool the contents of dummy1, dummy2, dummy3
to flat files, load them into your favourite spreadsheet, do whatever
you want, save it as a CSV file and load with SQL*Loader. It will
probably take you less time.
--
Regards,
Stephane Faroult
Oriole Corporation
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