Outer Web | Explore

Explore >> Select a destination

You are here		jonathanlewis.wordpress.com Push_Subq \| Oracle Scratchpad
\|	\|	rwijk.blogspot.com About Oracle: dbms_xplan.display_cursor	2.2 parsecs away Travel
\|	\|		2.2 parsecs away Travel
\|	\|	dioncho.wordpress.com Interesting case of the restriction of global hints \| Dion Cho - Oracle Performance Storyteller	2.4 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...	2.4 parsecs away Travel
\|	\|	iusoltsev.wordpress.com ??????? ??????: FIRST_ROWS ? CURSOR_SHARING_EXACT \| Oracle mechanics	2.7 parsecs away Travel
\|	\|	??????? ?????? ?? ??????? ??????????? 465 ??????! SELECT A.ID, A.LOGIN, A.NAME, A.LASTNAME, A.EMAIL FROM ACCOUNT A WHERE (A.LOGIN LIKE '%%') AND (A.NAME LIKE '%????????%' OR A.LASTNAME LIKE '%????????%') AND A.COMPANY_ID = 1 ORDER BY A.LOGIN ??? ???????, ????????? ???? ?? ??????? A.COMPANY_ID = 1 ???????? ??????? ???????????????? SQL> SELECT 'ALL' as "Condition", count(*) FROM ACCOUNT...	2.7 parsecs away Travel
\|	\|	jonathanlewis.wordpress.com Push Group by \| Oracle Scratchpad	23.9 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...	23.9 parsecs away Travel