performance tuning in oracle 11gr2

... Conventions 839 D Installing Oracle9 i Database 841 E Sources of Information 879 xxix Introduction Let’s begin by looking at what we need to examine in order to tune Oracle installations:  A tuning environment  ... 427 14 Tuning Oracle Database File Structures 429 15 Object Tuning 459 16 Low-Level Physical Tuning 475 17 Hardware Resource Usage Tuning 497 18 Tuning Network Usage 549 19 Oracle Partitioning and ... type of tuning. How Is This Book Organized? This book is broken into four parts: relational data model tuning in Part I, SQL code tuning in Part II, physical and configuration tuning in Part III, and...

Ngày tải lên: 24/01/2014, 04:20

... every database in the entire world in a single Oracle database—World-On-Line – Memory Resident.) Imagine storing almost every single piece of information on earth in one database and IN MEMORY. Soon ... . . 554 xvi Oracle Database 10g Performance Tuning Tips & Techniques “Rich Niemiec does it again. Any other book on Oracle performance and tuning is an appetizer to Rich’s main course. The ... beyond anything imaginable. Security and auditing are at the record level xxx Oracle Database 10g Performance Tuning Tips & Techniques ■ 1999 Oracle8 i released. Integrates Java/XML into development...

Ngày tải lên: 24/01/2014, 04:20

... Receivables, Oracle Gen- eral Ledger, Oracle Assets, Oracle Inventory, Oracle Order Entry, Oracle Purchasing, Oracle Bills of Material, Oracle Engineering, Oracle Master Scheduling, Oracle Work in Progress, Oracle ... application development. Introduction xvi Oracle Performance Tuning & Optimization 30 Using Hints 475 Implementing Hints 476 Hint Syntax 477 Hint Errors 477 Using Multiple Hints 478 Hints 478 Optimization ... Review of Tuning Guidelines 581 RDBMS Tuning 582 SGA 582 Performance Enhancements 583 OS Tuning 588 OS Tuning Goals 589 OS Features 589 19 Chapter 1 ◆ Introduction to Oracle Oracle Support Oracle s...

Ngày tải lên: 24/01/2014, 04:20

... Overview Introduction to Performance Tuning 1-2 Performance Planning 1-2 Instance Tuning 1-2 SQL Tuning 1-5 Introduction to Performance Tuning Features and Tools 1-6 Automatic Performance Tuning Features ... BY ty3MU9; Convention Meaning Example Introduction to Performance Tuning 1-2 Oracle Database Performance Tuning Guide Introduction to Performance Tuning This guide provides information on tuning an Oracle Database ... performance tuning. This chapter contains the following: ■ Introduction to Performance Tuning ■ Introduction to Performance Tuning Features and Tools Oracle Database Performance Tuning Guide 10g...

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... specializing in the Oracle Database Administration Curriculum for Greenbrier & Russel, Inc. in Madison, Wisconsin. He has over 16 years of experience in the Information Technology industry ... database performance tuning and how to follow and implement Oracle s recom- mended tuning methodology. The second part covers the topics of network administration including configuring the necessary ... an Oracle network and helps you develop an understanding of the Oracle 8i Net8 architecture. Part One: OCP: Oracle8 i Performance Tuning Chapter 1 starts with an overview of the Oracle Tuning...

Ngày tải lên: 18/10/2013, 18:15

... DBA Part 2: Performance Tuning Workshop 15-9 Tuning Session Scope Tuning Session Scope Setting the Tuning Session Scope Setting the scope for the tuning session directs Oracle Expert into specific ... 2: Performance Tuning Workshop Contents Creating Stored Outlines 13-30 Using Stored Outlines 13-31 Maintaining Stored Outlines 13-33 Data Access Methods 13-34 B-Tree Indexes 13-35 Bitmap Indexes ... pause as Oracle Expert loads its default rules base into the repository. Working from a Tuning Session After opening Oracle Expert, the first task in the tuning process is starting a tuning session....

Ngày tải lên: 19/10/2013, 11:15

... matter of incrementally building the digits string. Incrementally building strings like this is horribly inefficient; internally, the Python interpreter needs to create a new string each time ... be modified in place very quickly. Instead of incrementally building a new list (or string) out of the source string, why not move elements around within a single list? extraordinarily long ... It should go without saying that you need a complete set of unit tests before you begin performance tuning. The last thing you need is to introduce new bugs while fiddling with your algorithms....

Ngày tải lên: 28/10/2013, 16:15

... `ấ>`ấLiViấ>ấếi ]ấViVấLnk_aoo6L]caB]qhpo+oa_ấèấv`ấếèấĩVấôViấấV>ế}ấiíViiấ paging in case of high L]cao+oa_ấ/iấLnk_aoo object is the system component that provides performance data for the processes running on the system, which are individually represented ... low, you should consider getting more memory for the system. Page Life Expectancy L]caHebaAtla_p]j_u indicates how long a page will stay in the buffer pool without being ref- iiVi`ấii>ị]ấ>ấĩấếLiấvấèấVếèiấi>ấè>èấô>}iấ>iấLi}ấii`ấvấ the ... `ị>Vấ>>}iièấiĩấư6đấ>`ấ`ị>Vấ>>}iièấvếVèấưđấ/iiấ>iấ iíèiiịấếivếấiV>ấvấV>ôèế}ấ>ấ>ôèấvấèiấVếièấôiv>Viấvấịếấ ịèiấẵấè`ếViấii>ấvấèiiấèế}ếèấèiấL]ấLếèấẵấvVếấấ>ấviĩấè>èấ>iấèiấ most important for monitoring performance and for establishing a baseline. /iấouo*`i[ko[lanbkni]j_a[_kqjpano view displaysấèiấ-+ấ-iiấVếèiấĩèấ>ấ àếiị]ấ>ĩ}ấịếấèấ>ôôịấèiấvếấèi}èấvấ/-+ấèấèiấ`>è>ấi`>èiịấấií>ôi]ấ this...

Ngày tải lên: 17/12/2013, 02:15

... 322 Avoiding Optimizer Hints 324 JOIN Hint 325 INDEX Hints 327 Using Domain and Referential Integrity 329 NOT NULL Constraint 329 Declarative Referential Integrity 332 Avoiding Resource-Intensive ... N SQL QUERY PERFORMANCE TUNING 15 Summary In this introductory chapter, you have seen that SQL Server performance tuning is an itera- tive process, consisting of identifying performance bottlenecks, ... Processing Strategy 460 Optimizing the Costliest Query 460 Modifying an Existing Index 461 Analyzing the Application of a Join Hint 463 Avoiding the Clustered Index Scan Operation 466 Modifying...

Ngày tải lên: 17/12/2013, 02:15

... within the DeĆ partment of Defense, then it is delivered with Restricted Rights," as defined in FAR 52.227Ć14, Rights in DataĆGeneral, including Alternate III (June 1987). The information in ... you find any problems in the documentation, please report them in writing to Worldwide Education Services, Oracle Corporation, 500 Oracle Parkway, Box 659806, RedĆ wood Shores, CA 94065. Oracle ... Brown Julie Ghigna Don Griffin Stephanie Jones Fiona Simpson Copyright E Oracle Corporation, 1992, 1995. All rights reserved. This documentation contains proprietary information of Oracle Corporation;...

Ngày tải lên: 17/01/2014, 09:20

... out). There are many other things GTop can do for you—please refer to its manpage for more information. We are going to use this module in our performance tuning tips later in this chapter, so you ... & Associates, Inc. All rights reserved. 340 | Chapter 9: Essential Tools for Performance Tuning Code Profiling Techniques The profiling process helps you to determine which subroutines (or just ... references to the strings in an array. The second function ( array) stores the strings themselves in an array. The third function ( concat) concatenates the three strings into a single string. At the end...

Ngày tải lên: 26/01/2014, 07:20