I am uncertain why you believe this to be a problem. Its using the default
number size (38 I think) but it's not really storing it anywhere, it's just
keeping the definition, so what do you care how big it thinks it is? Its
plenty large enough to handle any sum of to number(20)s.
At 08:31 AM 2/16/01 -0800, you wrote:
>I have table which has two cols in it like below:
>create table test (col1 number(20), col2 number(20));
>Table created.
>
>Now, I have a situation where I need to create a view on this
>table with three columns and third column is sum of first and second
>columns.
>
>create view test_view (col1, col2, col3) as select col1, col2, col1+col2
>from test;
>View created.
>
>check this out when I describe the view :
>desc test_view
> Name Null? Type
>
>-----------------------------------------------------------------------------------------------------
>--------
>--------------------------------------------------------------------
> COL1 NUMBER(20)
> COL2 NUMBER(20)
> COL3 NUMBER
>
>The Length of third column is missing , could anybody throw some light
>on this issue ..
>Please advice me how the handle this problem ....
>
>Veera
>
>
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>
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