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You are here		antognini.ch Partition-Wise Operations - New Features in 12c and 18c - Striving for Optimal Performance
\|	\|	chandlerdba.com SQL Patch, and a Parallel mistake - Neil Chandler's DB Blog	2.5 parsecs away Travel
\|	\|	Photo by Brian Patrick Tagalog on Unsplash July 2024. Oracle 19c, 23ai There are 3 main types of SQL Plan Management: SQL Profile SQL Plan Baseline SQL Patch So first some quick background info about the 3 options and then I'll tell you about my mistake. SQL Profile A SQL Profile is a collections of...	2.5 parsecs away Travel
\|	\|	dioncho.wordpress.com _gby_hash_aggregation_enabled bug \| Dion Cho - Oracle Performance Storyteller	3.3 parsecs away Travel
\|	\|	One of the customers complained that Oracle refuses to use the HASH GROUP BY operation under any circumstances. It's 10gR2(10.2.0.1) database. See that Oracle simply refuses to use HASH GROUP BY operation even with the simplest group by? You might think that the "_gby_hash_aggregation_enabled" would have been false which is clearly right. But even with...	3.3 parsecs away Travel
\|	\|	nenadnoveljic.com WINDOW SORT PUSHED RANK Performance Regression in Oracle 21c - All-round Database Topics	3.2 parsecs away Travel
\|	\|	New optimization causing severe performance degradation. It can be switched off with the fix control.	3.2 parsecs away Travel
\|	\|	www.xt-r.com XT&R blackboard: ?????? ? ???????? ????? ?????? ? Oracle 11.1 - 11.2.0.3(??????? ???????????????????)	28.8 parsecs away Travel
\|		?????? ????? ???? ????? ?? 11.2.0.3 ? ?????? ??????(V$SQL_HINT), ????? ?????? ?? ???????? ? ???? ??????? ???????, ??????? ??????????? ??????...	28.8 parsecs away Travel