Titlebook: Oracle SQL Tuning with Oracle SQLTXPLAIN; Oracle Database 12c Stelios Charalambides Book 2017Latest edition Stelios Charalambides 2017 SQL

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Stelios Charalambidesm Erreichen der Siedetemperatur des Wassers entstanden dann auf Grund örtlicher Überhitzungen—ausgehend von den Wandrauhigkeiten—explosionsartig die ersten Dampfblasen von einer bestimmten Mindestgröße. Die kleinen Bläschen glitten in dem dünnen Rieselfilm abwärts, wuchsen, wanderten an die Oberfläc

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y latest tuning features in Oracle Database 12c.Enables the building of test cases without affecting production.What You‘ll Learn.Identify how and why complex SQL has gone wrong.Correctly interpret AW978-1-4842-2435-9978-1-4842-2436-6

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Directives and Statistics Feedback,e than a certain factor out from the actual result. This was a nice simple feature that was easy to understand. If you saw this note at the end of an execution plan, you knew that Cardinality Feedback had been used.

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The Cost-Based Optimizer Environment,After reviewing the AWR report and homing in on the SQL you want to work on (bear in mind there could be more than one), you now approach the tricky problem of dealing with an individual SQL.

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Using XPLORE to Investigate Unexpected Plan Changes,I’m sure by now you’re thinking that SQLTXPLAIN is a pretty cool tool to be familiar with, if you want to tune Oracle SQL.