(no subject)

From: Grabowy, Chris <cgrabowy_at_fcg.com>
Date: Tue, 02 Oct 2001 13:20:22 -0700
Message-ID: <F001.0039F827.20011002131527@fatcity.com>

Hmm... I need to better explain this.

The query should....

...always return S records, if the s.status = 'A'.
...should return SP records if the sp.status = 'A'.   A for active records.
...should NOT return SP records if the sp.status = 'D'.   D for logically

deleted records.

The developers took your approach, they deleted that line, and then had Crystal Reports filter out the SP "D" records. They tested it and it works, so there leaving it alone.

What Ron suggested is working. I sent it to the developers and there testing it out.

1 SELECT s.study_id, s.status, sp.status 2 FROM study s, site_placement sp

  3  WHERE s.study_id = 5014
  4  AND   s.study_id = sp.study_id(+)
  5  AND   s.status   = 'A'

6* AND sp.status(+) = 'A'
SQL> / STUDY_ID S S
---------- - -

5014 A

The S record came out, but the SP record did not because it's status = 'D'.

SQL> SELECT s.study_id, s.status, sp.status 2 FROM study s, site_placement sp

  3  WHERE s.study_id = 5008
  4  AND   s.study_id = sp.study_id(+)
  5  AND   s.status   = 'A'

6 AND sp.status(+) = 'A'
7 /

STUDY_ID S S
---------- - -

      5008 A A
      5008 A A
      5008 A A

For study 5008, there are active SP records, so the query is returning them.

Finally, to complete this example...

We are learning the hard way that logically deleted records are causing havoc for our developers...and the DBA, who has a huge headache...

-----Original Message-----
Sent: Tuesday, October 02, 2001 4:01 PM
To: Multiple recipients of list ORACLE-L

"I'm trying to get this SQL to return rows from the S table even if there are
records in the SP table with status of 'D'(logically deleted)."

Then why are you specifically querying the sp.status for values of 'A'?

SELECT s.study_id, s.status, sp.status
FROM s, sp

WHERE s.study_id = 5014
AND   s.study_id = sp.study_id(+)
AND   s.status   = 'A'
AND   sp.status  = 'A'           <==  Drop this and clause??

Tom Mercadante
Oracle Certified Professional

-----Original Message-----
Sent: Tuesday, October 02, 2001 3:00 PM
To: Multiple recipients of list ORACLE-L

SELECT s.study_id, s.status, sp.status
FROM s, sp

WHERE s.study_id = 5014
AND   s.study_id = sp.study_id(+)
AND   s.status   = 'A'

AND sp.status = 'A'

I'm stuck trying to figure out how to make this SQL work, and am starting to wonder if it's even possible.

I'm trying to get this SQL to return rows from the S table even if there are records in the SP table with status of 'D'(logically deleted).

What am I missing??!?!?!?

TIA!!!! Chris

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Author: Grabowy, Chris
INET: cgrabowy_at_fcg.com

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Author: Mercadante, Thomas F
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