Re: PROBLEM with simple SQL-statement

In article <kooy.3.771678526_at_frw.ruu.nl>

           kooy_at_frw.ruu.nl "J.W. van der Kooy" writes:

> I have some problems with performing a, I think, very simple task in an
> ORACLE-database (using SQLPLUS).
>
> My plan was to update a column 'amount' with the value of 'price'
> multiplied by an appropriate VAT-rate from another table. I tried this:
>
> SQL> update MYTABLE set AMOUNT = PRICE *
> (select distinct VAT from VATTABLE where CATEG = 2);
>
> It did not work: I got
>
> (select distinct ....
> *
> missing expression
>
> WHAT must be done differently here???

Try this...

UPDATE mytable mt
SET amount = (SELECT (mt.amount * vt.vat)

              FROM vattable vt
              WHERE categ = 2);

-- 
Stephen Lappin

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