Oracle SQL Tuning - Optimizing AND скачать в хорошем качестве

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 Execution ...   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 Attend instructor-led online class with this instructor, Oracle Certified Master John Watson of SkillBuilders! https://skillbuilders.com/oracle-dba-... Hire John for Oracle DBA Services...for more info visit: https://skillbuilders.com/database-ad... About Skillbuilders: SkillBuilders, 25 years of success stories for Oracle Database Administration, APEX Development, APEX Hosting on AWS and Training. Subscribe to our Channel and see hundreds of SkillBuilders Free Tutorials or watch on web site: https://skillbuilders.com/free-tutori...