Oracle SQL Tuning - Optimizing AND
Conjunction queries, where the filter includes AND, can have poor performance due to the way they use (or do not use) indexes. This tutorial demonstrates some techniques for tuning them: a couple of hints, and some SQL rewrites that may help the Optimizer to do a better job.
Presenters: John Watson, SkillBuilders
Prerequisite: How to Read Execution Plans • Oracle SQL Tuning - How to Read Execu...
Download the scripts and slides for this presentation here - https://skillbuilders.com/course/orac....
Contents of this video:
00:00 - Introduction
00:30 - Lesson 1: AND: the conjuctive operator
04:29 - Lesson 2: Hints: the hacker's solution - DEMONSTRATION
07:24 - Lesson 3: Let's try tuning the SQL - DEMONSTRATION
11:51 - Summary
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