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Author: Donald K. BurlesonIn previous Oracle releases, SQL tuning work was mostly a manual process, tuning the workload as a whole by adjusting init.ora parameters and CBO statistics, followed by individual SQL tuning where we found a sub- optimal execution plan ...
Author: Sam AlapatiStarting with Oracle Database 11g, Automatic SQL Tuning is a preset background database job that by default runs every day. This task examines high resource-consuming statements in the Automatic Workload Repository (AWR).
Author: Sam AlapatiThe SQL Tuning Advisor is a tool that provides advice on how to improve the performance of SQL statements. ... This tool can be invoked from an Oracle-provided SQL script, the DBMS_ADDM package, or Enterprise Manager.
Author: Ciro FiorilloOver 80 Recipes to Help Beginners Achieve Better Performance from Oracle Database Applications Ciro Fiorillo. shared pool, the Program Global Area (PGA), the User Global Area (UGA), and the database buffer cache. Chapter 10, Tuning I/O ...
Author: Gavin JT PowellOracle Database Administration Fundamentals II (ISBN: 1932072845). ... along with many other goodies including my resume: http://www.oracledbaexpert.com/oracle/OracleDataWarehouseTuning/ index.html Software accreditations: Microsoft ...
Author: Donald K. BurlesonOracle SQL tuning is one of the most overlooked areas of Oracle tuning. The individual SQL statements that comprise the requests to the database engine can be tuned — often with dramatic results. Unfortunately, Oracle SQL tuning is one ...
Author: Joseph C. JohnsonConsequently, tuning an Oracle database can be a daunting task. Indeed, Oracle9i is so tunable and so feature-rich that it's often difficult to know where to begin your tuning effort. Because of this, the application of proven tuning ...
Author: Michael WesslerMany of these scripts are covered in Chapter 11 , " Oracle Server Tuning . " Network Administration Both network configuration tools - Net8 Assistant and Net8 Configuration Assistant — are available via OEM .
Author: Geoff IngramThis chapter covers the following topics: □□ Tuning and the application lifecycle □□ Oracle statistics and events □□ Tools for measuring statistics and events □□ Viewing the Oracle buffer cache and controlling its contents ...
Author: Guy HarrisonSQL Profiles and the associated SQL Tuning Advisor were introduced in Oracle 10g and require an Oracle Tuning Pack license. A SQL Profile is a collection of statistics specific to the SQL that are created by a SQL tuning task and which ...