'Explain plan' presentation slideshows

1.61k views • 135 slides

<Insert Picture Here>

<Insert Picture Here>. Oracle in the .NET Environment. Tomer Avissar Senior Support consultant Tomer.avissar@oracle.com http://oracleatdotnet.blogspot.com. Agenda. <Insert Picture Here>. Oracle and Microsoft Oracle and .NET Getting Started PL/SQL Development Lifecycle with Visual Studio

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SQL Tuning via Toad

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To ANSI or Not To ANSI

To ANSI or Not To ANSI . Gravenstein, Costello, Maurer Amtrust Bank Session #420. Speaker Qualifications. Rumpi Gravenstein, Application Developer, Senior, Amtrust Bank Newsletter Editor, North East Ohio Oracle Users Group Has been working with Oracle since 1988

499 views • 45 slides

Oracle Server Tuning Accelerator

Oracle Server Tuning Accelerator. David Scott Intec. Tuning Metaphors. Body / Doctor Auto / Mechanic. The Right Solution. Fixes the immediate problem Prevents a recurring problem Fixes the underlying problem Is found and implemented quickly Is cost-effective Is properly documented

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Performance Optimization and Tuning

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SQL Performance for DBAs

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Chapter 7

Chapter 7. Writing Routine and Positive Messages. Learning Objectives. Outlining a strategy for routine requests Reviewing common routine requests Outlining a strategy for routine replies and positive messages Describing examples of routine replies and positive messages.

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Objectives

Objectives. After completing this lesson, you should be able to do the following: Use the EXPLAIN PLAN command to show how a statement is processed Use the DBMS_XPLAN package Use the Automatic Workload Repository Query the V$SQL_PLAN performance view

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Active Student Learning at the Introductory Level

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Agenda

Agenda. Overview of the optimizer How SQL is executed Identifying statements that need tuning Explain Plan Modifying the plan. Optimizer. Attempts to find best path Mode is set in init.ora file (can also be set for a session) Rule Based Init.ora optimizer_mode = rule

251 views • 13 slides

V$SQL_PLAN

V$SQL_PLAN. Introduced in Oracle 9.0.1 Shows actual execution plan in memory Enhanced in Oracle 9.2 to include Access Predicates (Joins) Filter Predicates Related views include V$SQL_PLAN_WORKAREA V$SQL_PLAN_STATISTICS V$SQL_PLAN_STATISTICS_ALL.

266 views • 11 slides

AN INTRODUCTION TO Execution plan of Queries

AN INTRODUCTION TO Execution plan of Queries. These slides have been adapted from a presentation originally made by ORACLE. The full set of original slides are available at : http://www.slideshare.net/Jackieken/explaining-the-explain-plan. What is an Execution plan?.

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Thursday November 21, 2013 Bellwork #4:

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Fermi Project

Fermi Project. Math Work. Explain your plan Show ALL math work and the process. Math Work Explanation - example. We determined the average volume a single person took up. We converted 1 cubic mile into cubic feet. We divided the volume of 1 cubic mile

222 views • 7 slides