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Documents Challenges and Chances of the 11g Query Optimizer

WELCOME Challenges and Chances of the 11g Query Optimizer Christian Antognini Oracle OpenWorld, San Francisco (USA) October 4, 2011 BASEL BERN LAUSANNE ZÜRICH DÜSSELDORF…

Documents Senegacnik Query Transformations

Query Transformations Oracle Open World 2010 San Francisco, 23.9.2010 DbProf. com Jože Senegačnik OOW2010 [email protected] www.dbprof.com - © 2010 Jože Senegačnik…

Documents DB2 Key Performance Metric Descriptions

DB2 OBJECTS & PERFORMANCE Buffer Pool: Allocated memory for DB2; the main memory allocated to DB Manager to cahce table and index data pages as they are read from disk…

Documents Mar11 11g Developers 7 Short

NOTE itty bitty fonts in this presentation SQL> exec sample_font Can you read this ? 1 Connor McDonald OracleDBA co.uk 2 3 bio slide 4 5 6 7 "why bother?" 8…

Technology Understanding query execution plans

1. Understanding Query Execution Plans Richard Douglas 2. 2 Global MarketingUnderstanding Query Execution Plans Agenda • Introductions • The Query Optimizer • Commonly…

Technology SQL Tuning and VST

1. Visual SQL Tuning (VST)Kyle Haileyhttp://dboptimizer.com 2. SQL TuningMethodology1. Find: Problem SQL2. Study: SQL Execution Plan3. Fix: How ? 3. Step 1 : Find “bad”…

Technology OOUG: VST , visual sql tuning diagrams

1. Visual SQL Tuning (VST)Kyle Hailey kylehailey.com [email protected] 2. SQL TuningMethodology 1. Find: Problem SQL 2. Study: SQL Execution Plan 3. Fix: How ? 3. Step 1 :…

Documents Introduction to SQL Tuning Brown Bag Three essential concepts.

Slide 1Introduction to SQL Tuning Brown Bag Three essential concepts Slide 2 Introduction to SQL Tuning How to speed up a slow query? Find a better way to run the query Cause…

Technology 20070329 Phpconf2007 Training

1. Использование PostgreSQL в веб-приложенияхНиколай Самохвалов Иван Золотухинкомпания Postgresmen 29 марта…

Technology PostgreSQL: Advanced features in practice

1. PostgreSQL: Advanced features in practiceJÁN SUCHAL 22.11.2011@RUBYSLAVA 2. Why PostgreSQL? The world’s most advanced open source database. Features! Transactional…