SELECT COUNT(*) FROM a
WHERE EXISTS (SELECT *
FROM b
WHERE a.unit_id = b.unit_id
and a.op_year = b.op_year
and extract(month from a.op_date) BETWEEN (3*b.qtr - 2) and
3*b.qtr
/
Igor Neyman, OCP DBA
ineyman@(protected)
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)] On Behalf Of Stephens, Chris
Sent: Tuesday, November 09, 2004 4:11 PM
To: oracle-l@(protected)
Subject: Basic sql
Well I 've had my coffee and I still can 't get this to work:
SELECT COUNT(*) FROM a
WHERE EXISTS (SELECT *=20
FROM b
WHERE a.unit_id =3D b.unit_id
and a.op_year =3D b.op_year
and extract(month from a.op_date) BETWEEN CASE
WHEN b.qtr =3D 1 THEN 1 AND 3
WHEN b.qtr =3D 2 THEN 4 AND 6
WHEN b.qtr =3D 3 THEN7 AND 9
WHEN b.qtr =3D 4 THEN 10 AND 12
END)
/
I 've tried several variations of this (all that I can think of)i.e.
quotes and parenthesis in all kinds of places, case to build entire last
filter instead of just the '1 and 3 ' pieces. and it always returns:
