Re: what to put in place of null

Harvinder Singh wrote:
>
> Hi,
>
> I have a cursor declared as
> cursor c1 is
> select dd,dd1,dd2,dd3 from dd
> union
> select null,null,dd2,dd3 from dd1;
>
> i am getting error:
> *
> ERROR at line 1:
> ORA-01790: expression must have same datatype as corresponding expression
> ORA-06512: at "DY.REST", line 4
> ORA-06512: at "DY.REST", line 10
> ORA-06512: at line 1
>
> what to replace null with......
> dd1 has only 2 columns dd2 and dd3.....
>
> Thanks
> Harvinder
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com

to_whatevertype_of_corresponding_not_null_column(NULL)

NULL can have a type with oracle ...

-- 
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Stephane Faroult
Oriole Corporation
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Author: Stephane Faroult (sfaroult_at_oriole.com)
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