ORA-00904 on a valid view when using count(*)

From: Maria Aurora VT de la Vega <mtdelavega_at_pse.org.ph>
Date: Fri, 28 Dec 2001 23:26:55 -0800
Message-ID: <F001.003E40B4.20011228230519@fatcity.com>

we have view named gain_view
which was created with this sql
SELECT co.name, sec.alias, sec.security_name, sec.security_symbol, sq.open, sq.high,

sq.low, sq.close, sq.previous, sq.last_trade_price, sq.total_volume, sq.total_value,

(((sq.last_trade_price - sq.previous)/sq.previous) * 100) AS perc_change,

   (sq.last_trade_price - sq.previous) AS value_gain   FROM trade_quotes_vw sq, security sec, company co   WHERE sq.security_symbol = sec.security_symbol    AND sec.company_id = co.company_id
   AND NVL(sq.previous,0) > 0
   AND (NVL(sq.last_trade_price,0) - NVL(sq.previous,0)) > 0   ORDER BY perc_change DESC

when we do a select * from gain_view we get the correct results but when we use select count(*) from gain_vw we are getting ORA-00904

any ideas?

--

Maria Aurora VT de la Vega (OCP)
Database Specialist
Philippine Stock Exchange, Inc.

--

Please see the official ORACLE-L FAQ: http://www.orafaq.com
--

Author: Maria Aurora VT de la Vega
INET: mtdelavega_at_pse.org.ph

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