DB2 - Problem description
Problem IT20692 | Status: Closed |
POOR PERFORMANCE WHEN OJ AND JOIN ON IT HAS SAME TABLE | |
product: | |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 | |
Problem description: | |
Description: DB2 query may show poor performance when the following conditions are met: 1. The query has one or more Outer Joins 2. There is join on top of Outer Join(s) 2. Row Preserving side of an Outer Join has a table, also used in the join on top of this OuterJoin. | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.1 Mod 4 Fixpack 4 or higher * **************************************************************** | |
Local Fix: | |
Solution | |
Workaround | |
not known / see Local fix | |
BUG-Tracking | |
forerunner : IT20642 follow-up : | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 20.05.2017 28.01.2020 28.01.2020 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |