Funny query business
2003-08-13 00:21:42
All,
Seems that the order you specify tables in an SQL query is important. I'm
running TSM 5.1.6.1 on AIX 5.1. I wanted to query volhistory and backupset
tables:
tsm: SM040>select VOLUME_NAME, location, backupset_name from BACKUPSETS,
VOLHISTORY where BACKUPSETS.DATE_TIME = VOLHISTORY.DATE_TIME
VOLUME_NAME LOCATION BACKUPSET_NAME
------------------ ------------------ ------------------
A00249 HKGIICOREP1.20030-
805.77813798
tsm: SM040>select VOLUME_NAME, location, backupset_name from volhistory,
backupsets where BACKUPSETS.DATE_TIME = VOLHISTORY.DATE_TIME
ANR2034E SELECT: No match found using this criteria.
ANS8001I Return code 11.
tsm: SM040>
The first result is the result I wanted.
Why is the order of tables important? Is this documented somewhere? I'm
concerned that I may not be getting correct data in other queries I run.
Mark
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Mark Ferraretto
Unix Systems Administrator
Deutsche Bank Hong Kong
w: +852 2203 6362 m: +852 9558 8032 f: +852 2203 6971
mark.ferraretto AT db DOT com
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