"Malik, Fawzia" wrote:
>
> Hi,
>
> Can you tell me if its possible to write some sql to change some data.
> Basically I need to run a scritp to change data of column: id from 12345678
> to the last four digits. Is this possible to do in sql/plsql??
>
> Any advice/hints would be greatly appreciated
>
> Rgds
>
> Fawzia
>
I assume that id is a number.
1) If it happens to be a PK, drop all the FK constraints refering it,
and the PK itself.
2) Update T
set id = to_number(substr(to_char(number), length(to_char(number)) -
4))
should do the trick (give or take a parenthese).
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Regards,
Stephane Faroult
Oriole Corporation
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Author: Stephane Faroult
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