Where clause apparently failing

  • From: William Wagman <wjwagman@xxxxxxxxxxx>
  • To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 19 Sep 2008 09:30:22 -0700

Greetings,

I'm running 64-bit Oracle 10.2.0.4.0 EE on Windows server 2003.

The select statement

select patient_id, study_number
from ucdv_cc_summaryae
where study_number = 'UCDCC#128';

returns 8693 rows. Many of these rows have study_number other than ucdcc#128 
including ucdcc#157, ucdcc#159, ucdcc#165, ucdcc#171, etc.

ucdv_cc_summaryae is a view and the column study_number is varchar2(100). I am 
perplexed and would appreciate any thoughts. I am still having difficulty 
getting to Oracle docs online.

Thanks.

Bill Wagman
Univ. of California at Davis
IET Campus Data Center
wjwagman@xxxxxxxxxxx
(530) 754-6208
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