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You are here		connor-mcdonald.com Kris Kringle the Database - Getting the BAND together - Learning is not a spectator sport
\|	\|	chandlerdba.com SQL Patch, and a Parallel mistake - Neil Chandler's DB Blog	2.2 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...	2.2 parsecs away Travel
\|	\|	dioncho.wordpress.com Interesting case of the restriction of global hints \| Dion Cho - Oracle Performance Storyteller	1.8 parsecs away Travel
\|	\|	One of my colleagues sent following test case, of which he couldn't control the join order with hints. 1. Create objects - table t1, t2 and t3 2. Now Let's set the join order as T1->T2->T3, using global hints convention. But it seems that Oracle does not work as expected. It really seems that the...	1.8 parsecs away Travel
\|	\|	jonathanlewis.wordpress.com Push Group by \| Oracle Scratchpad	2.2 parsecs away Travel
\|	\|	Jump to summary. A new optimizer feature that appears in 23c (probably not 21c) was the ability to push group by clauses into union all set operations. This will happen unhinted, but can be hinted with the highly memorable [no_]push_gby_into_union_all() hint that appeared in 23.1.0.0 according to v$sql_hint. and the feature can be disabled by...	2.2 parsecs away Travel
\|	\|	rwijk.blogspot.com About Oracle: dbms_xplan.display_cursor	46.4 parsecs away Travel
\|		About Oracle	46.4 parsecs away Travel