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"Damir Bersinic can provide a sincerely written, complete advisor - with 1000's of distinctive exam-prep questions &mmdash; that's bound to support Oracle pros organize for and move the second one Oracle certification examination. -Harry Liebschutz, Senior Oracle advisor, HDL Consulting, Inc., and writer of The Oracle Cookbook *Master the fabric for the Oracle8i DBA examination 1Z0-023 *Test your wisdom with evaluation questions, situations, and lab routines *Practice on cutting-edge test-preparation software program the one advisor you would like for Oracle8i DBA structure and management examination success...You're preserving on your fingers the main finished and powerful consultant to be had for the second one examination at the Oracle8i DBA music. an exceptional group of Oracle execs and running shoes promises crystal-clear motives of each subject lined, highlighting exam-critical strategies and supplying hands-on counsel that could assist you on your real-world DBA occupation. all through, they supply pre-test, exam-style evaluate questions, situation difficulties, and lab routines - every little thing you must grasp the fabric and move the examination. inside of, get whole assurance of structure and management examination objectives*Get a deal with on Oracle8i structure and server fundamentals *Create Oracle databases, facts dictionary perspectives, and traditional programs *Manage Oracle situations, tablespaces, and datafiles *Maintain the keep watch over dossier and redo log records *Delve into garage constitution and relationships *Take keep an eye on of rollback segments, tables, and indexes *Get the inside track on holding info integrity *Discover how toload and reorganize info *Master Oracle defense, from password and assets to clients, privileges, and roles *Find out easy methods to utilize common Language help Test-Prep instruments on CD-ROM*Hungry Minds attempt engine powered by means of optimum Boson software program *A searchable e-version of the ebook *Trial types of the creation to Oracle8i structure and management and WebDBA"
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Extra info for Oracle 8i DBA: Architecture and Administration Certification Bible
When an Oracle server process dies, these actions are not automatically performed — it is up to PMON to do so. You should note that PMON might not perform these actions immediately after the process has terminated. In the first place, how does PMON know for sure that a process is hung and not just sitting idle? For example, a user could be connected to the instance through SQL*Plus and then decide to go for lunch while still connected. Should his or her process be terminated? Perhaps, but generally PMON cannot make that decision.
Assessment Questions . . . . Scenario . . . . . . . . Lab Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1045 1050 1052 1055 1056 1057 1057 1058 1059 1060 Appendix A: What’s on the CD-ROM . . . . . . . . .
ORA parameter that is used to determine the size of the database buffer cache is DB_BLOCK_BUFFERS. This parameter defaults to 50, which is also its minimum value. The total amount of memory that will be used for the database buffer cache is DB_BLOCK_BUFFERS * DB_BLOCK_SIZE. For example, setting DB_BLOCK_BUFFERS to 2,000 when the DB_BLOCK_SIZE is 8,192, allocates 2000×8192 or 16MB of RAM for the database buffer cache. When sizing the database buffer cache, you need to consider the amount of physical memory available on the server and what the database is being used for.