sql performance tuning in oracle 11g pdf

... LOGO www.themegallery.com Click to edit subtitle style LOGO www.themegallery.com SYSTEM ROLE IN ORACLE DEMO LOGO EXECUTE_CATALOG_ROLE  Package: DBMS_LOCK  Produres and functions:  procedure ... 'COMPLETED‘; www.themegallery.com LOGO EXP_FULL_DATABASE connect test0/p123; create table A( id varchar2(10) ); insert into A values ('abc'); connect test2/p123; create table B( id varchar2(10) ); www.themegallery.com ... allocate_unique(…);  function request(…);  function convert(…);  function release(…);  procedure sleep( seconds in number); www.themegallery.com LOGO EXECUTE_CATALOG_ROLE connect test1/p123; exec DBMS_LOCK.sleep(50); www.themegallery.com ...

Ngày tải lên: 17/02/2014, 01:20

... as joins and subqueries. Chapter 8. Common-Sense Indexing Teaches how to build indexes properly, building on tuning of SQL code taught in preceding chapters. Indexing and index types xlvi Introduction are ... 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  ... xlii Introduction matching SQL code to indexing, it is best to attempt to map SQL code filtering, sorting, and joining to primary and foreign index structures (referential integrity). Using already...

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Ngày tải lên: 08/08/2014, 18:21

... `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

... CHAPTER 1 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 ... 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 ... considering them in more depth in later chapters. Poor Indexing *ÀÊ`iÝ}ÊÃ usually one of the biggest performance killers in SQL Server. In the absence of proper indexing for a query, SQL...

Ngày tải lên: 17/12/2013, 02:15

... Express, Oracle Browser, Oracle Forms, Oracle Graphics, Oracle Installer, Oracle Reports, Oracle7 , Oracle8 , Oracle Web Application Server, Personal Oracle, Personal Oracle Lite, and PL /SQL are ... >END; Debug.Interpret Description Executes the PL /SQL statement or Procedure Builder Interpreter command string contained in input as if it had been typed into the Interpreter. Syntax PROCEDURE Debug.Interpret ... connection in the EXEC _SQL routines. When no handle is supplied to the EXEC _SQL routine, EXEC _SQL. Default_Connection is automatically called to obtain the primary Oracle Developer connection. Retrieving...

Ngày tải lên: 21/12/2013, 06:16

... 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

... following topics: e performance tuning processã Performance vs. priceã e performance baselineã Where to focus eorts in tuning e top 13 SQL Server performance killersã What I dont cover within ... impacts query tuning) ã SQL Server Integration Servicesã SQL Server Analysis Servicesã SQL Server Reporting Servicesã PowerShellã The Performance Tuning Process e performance tuning process consists ... 1: SQL Query Performance Tuning introduces the iterative process of performance tuning. You’ll get a first glimpse at establishing a performance baseline, identifying bottlenecks, resolving...

Ngày tải lên: 12/02/2014, 12:20

... having w orked extensively with Oracle and MySQL on Unix and Linux. Haidong enjoys learning and sharing his expertise through technical writing, speaking, consulting, training, and mentoring. ... the performance of this 9 www.it-ebooks.info Wort c01.tex V3 - 12/17/2007 7:11pm Page 4 Part I: Finding Bottlenecks when Something’s Wrong The Science of Performance Tuning Performance tuning SQL ... covers tuning server configuration settings to remove bottlenecks found in Chapter 2. ❑ Chapter 7 covers tuning SQL Server settings to remove bottlenecks found in Chapter 3. ❑ Chapter 8 covers tuning...

Ngày tải lên: 16/02/2014, 13:20

... Chapter 7: Tuning Index Usage 141  Chapter 8: Maintaining Indexes 171  Chapter 9: SQL Tuning Advisor 205  Chapter 10: SQL Access Advisor 233  Index 249 www.it-ebooks.info CHAPTER ... constraint and index on a column inline. Since an inline unique key constraint can be defined on only one column, we’ve added a SSN column that has a unique key constraint defined on it inline. ... regarding an index-organized table. Unique Indexes When creating a B-tree index you can define it to be a unique index. In this regard it acts like a unique key constraint. When inserting into...

Ngày tải lên: 17/02/2014, 11:20

... Lý Oracle Database Company Logo www.themegallery.com CẤU TRÚC BACKUP VỚI RMAN  Cấu Trúc Lệnh RMAN : BACKUP [ ( (FULL | INCREMENTAL LEVEL [=] integer) | [ (FULL | INCREMENTAL LEVEL [=] integer) ... Backup ( Offline Backup ) Hot Backup ( Online Backup ) Company Logo www.themegallery.com TỔNG QUAN VỀ ORACLE DATABASE Cấu Trúc Vật Lý Cấu Trúc Luận Lý Khái Niệm Chế Độ Log trong Oracle Database ... database. Company Logo www.themegallery.com INCREMENTAL BACKUP  Ví Dụ :  Để thực thi một incremental backup tại level 0,ta sử dụng lệnh sau BACKUP INCREMENTAL LEVEL 0 DATABASE;  Để thực...

Ngày tải lên: 17/02/2014, 14:20

... Code Export terminated successfully without warnings Import terminated successfully without warnings EX_SUCC Export terminated successfully with warnings Import terminated successfully with warnings EX_OKWARN Export ... Yes Application contexts No No Yes No Auditing information Yes Yes Yes No B-tree, bitmap, domain function- based indexes Yes Foot 1 Yes Yes Yes Cluster definitions No Yes Yes Yes Column and table ... links CREATE DATABASE LINK (System) and CREATE SESSION (System) on remote database Triggers on tables CREATE TRIGGER (System) Triggers on schemas CREATE ANY TRIGGER (System) Indexes CREATE INDEX...

Ngày tải lên: 17/02/2014, 14:20

... level: Using hints 11-7 Copyright â Oracle Corporation, 2002. All rights reserved. Using Hints in a SQL Statement SQL& gt; CREATE index gen_idx on customers 2 (cust_gender); SQL& gt; SELECT /*+ INDEX(customers ... by SQL statements: Oracle Enterprise Manager Statspack Explain plan SQL Trace and TKPROF Autotrace ã To determine which SQL statements possibly require tuning ã Not to tune the actual SQL ... SESSION 2 SET CREATE_STORED_OUTLINES = train; SQL& gt; SELECT … FROM … ; SQL& gt; SELECT … FROM … ; SQL& gt; CREATE OR REPLACE OUTLINE co_cl_join 2 FOR CATEGORY train ON 3 SELECT co.crs_id, 4...

Ngày tải lên: 17/02/2014, 14:20