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DB2 - Problembeschreibung

Problem IC96228 Status: Geschlossen

RUNSTATS WITH BERNOULLI SAMPLING ON A COLUMN-ORGANIZED TABLE PRODUCES
INCORRECT STATISTICS

Produkt:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problembeschreibung:
If you use the BERNOULLI sampling option of the RUNSTATS command 
to collect statistics on a column-organized table, the 
statistics computed will be incorrect.  The following is an 
example RUNSTATS command using the BERNOULLI sampling option: 
RUNSTATS ON TABLE T1  WITH DISTRIBUTION TABLESAMPLE BERNOULLI 
(20)
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users                                                    * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 10.5 Fix Pack 1                               * 
****************************************************************
Local-Fix:
You can use the SYSTEM sampling option or no sampling option to 
avoid this problem.
verfügbare FixPacks:
DB2 Version 10.5 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows

Lösung
Problem was first fixed in DB2 Version 10.5 Fix Pack 1.  After 
installing DB2 10.5 Fix Pack 1, RUNSTATS with Bernoulli sampling 
on column organized tables produces correct statistics.
Workaround
See Local Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
25.09.2013
27.02.2014
27.02.2014
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.5.0.3 FixList
10.5.0.3 FixList