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 mauro-pagano.com
Bushy Joins - a closer look | Mauro Pagano's Blog
| | oracle-randolf.blogspot.com
Oracle related stuff: Getting first rows of a large sorted result set quickly - NOSORT issues
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| | When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these...
| | www.xt-r.com
XT&R blackboard: ?????? ? ???????? ????? ?????? ? Oracle 11.1 - 11.2.0.3(??????? ???????????????????)
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| | ?????? ????? ???? ????? ?? 11.2.0.3 ? ?????? ??????(V$SQL_HINT), ????? ?????? ?? ???????? ? ???? ??????? ???????, ??????? ??????????? ??????...
| | nenadnoveljic.com
Performance Improvement on Dictionary Views in Oracle 21c - All-round Database Topics
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| | Oracle's heuristics previously avoided considering fixed tables for Join Predicate Pushdown (JPPD) transformation, leading to suboptimal plans. Enforcing predicate pushing into the view with the PUSH_PRED hint was a workaround. Oracle addressed this in the 21c release, evaluating fixed tables for JPPD.
| | antognini.ch
V$SQL_CS_HISTOGRAMS: What Are the Buckets' Thresholds? - Striving for Optimal Performance
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