Re: FYI - New syntax allows you to update one table while joining to others

Which is of course in the Sql reference manual, but usually no one reads that.

Regards,

Sybrand Bakker, Oracle DBA

<sbrendan_at_my-deja.com> wrote in message news:8sn244$2rj$1_at_nnrp1.deja.com...
> This syntax allows you to update one table while joining to many others
> - I find this simplier that doing sub-queries. This is similar to how
> other db servers work. Hope you find this interesting!
>
> Here is an example:
> update
> (
> select
> a.TOTAL_POSITION_VALUE_AMT,
> a.TOTAL_SHARE_QTY,
> b.FIN_INSTRUMENT_PRC
> from A_FPBAL_AUG_SEP_OCT_NOV a,
> MSC_FIN_INSTRUMENT_PRICES b
> where a.MONTH_TIME_ID = b.MONTH_TIME_ID
> and a.FIN_INSTRUMENT_ID = b.FIN_INSTRUMENT_ID
> and b.MONTH_TIME_ID = 36799
> )
> set a.TOTAL_POSITION_VALUE_AMT = a.TOTAL_SHARE_QTY *
> b.FIN_INSTRUMENT_PRC
> ;
> -- ===============================================
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
Received on Thu Oct 19 2000 - 16:11:24 CDT