oracle8i performance monitoring and database level tuning

... through a protocol address, and the service name, usually the global database name (composed of the database and database domain names) Once the Net8 client knows how to handle the connection request, ... installed and properly configured, clients and servers can connect to remote databases This chapter begins with an introduction to Net8, and then explains how to configure Net8 on servers and clients ... of objects is a robust and powerful option in Oracle8i Objects are being used more often in new database designs, and DBAs must become familiar with the benefits, use, and management of object-oriented...

Ngày tải lên: 22/01/2014, 00:20

... will load and execute the command, then return to the operating system prompt In BATCH COMMAND mode, you can combine commands in a standard text file, then run them as a sequence of commands To ... tracing level, logging and tracing options, the name and location of the listener configuration file, a list of services registered with the listener, and the addresses the listener is monitoring ... available with Oracle8i Enterprise Edition and Oracle8i Personal Edition It is not available with the Standard Edition ASO includes three components: network security, single sign-on, and Distributed...

Ngày tải lên: 22/01/2014, 00:20

... the ALTER DATABASE RENAME FILE command to reset the location of the database online redo logs When all of the database files have been recovered, issue the STARTUP command, and the database should ... ALTER DATABASE DATAFILE END BACKUP; Database altered SQL> ALTER DATABASE OPEN; Database altered This example uses the file identifier (4) rather than the file path and name in the END BACKUP command ... This is where understanding the internals of the Oracle database comes in handy Sometimes that experience and understanding can make the difference between a 30-second outage and having the system...

Ngày tải lên: 22/01/2014, 00:20

... command The trace file will contain a CREATE CONTROL file command Review the command and make sure it is suitable Once you are satisfied that the command is correct, connect to the database and ... to get the database up and going again, you will need to restore all database datafiles from the last good backup and recover the database In this kind of recovery situation, complete database ... tablespace definitions and quotas, and other system -level objects are imported Also imported are schema -level objects, such as tables, indexes, private database links, and synonyms Please purchase...

Ngày tải lên: 22/01/2014, 00:20

... types of commands: stand-alone commands and job commands The job commands must appear within the confines of the RUN command, which combines multiple commands (or a block of commands) into a ... demanding in terms of data updates and volume Currently, we use the old standby of the Export and Import utilities and REFRESH command to meet these demands Moving many gigabytes from an OLTP database ... stream The stand-alone commands don’t require the RUN command (with a few exceptions) Table 13.2 lists the stand-alone commands, and Table 13.3 lists the job commands NOTE RMAN command syntax has...

Ngày tải lên: 22/01/2014, 00:20

... restores the database datafiles with the RESTORE command, and performs the database recovery with the RECOVER command Finally, it releases the channel, opens the database for use, and exits RMAN ... command, and then backs up the archived redo logs using the BACKUP ARCHIVELOG ALL command This is a really important step, and when and how it is done can be critical to recovering your database ... II Oracle Database Administration Full Database Backups 568 CHAPTER 13 • ORACLE8i RECOVERY MANAGER Notice that this script does not shut down the database and then mount it Since the database...

Ngày tải lên: 22/01/2014, 00:20

... Alameda, CA CHAPTER 15 Oracle8i Performance Monitoring and DatabaseLevel Tuning F E AT U R I N G : Tuning problem Oracle databases 630 Setting Oracle events 632 Using Oracle8i dynamic performance views ... Simple Database Management I Want You to Be a Lazy DBA 632 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING Setting Oracle Events An event is some defined action in the database ... immediately and that its execution is unconditional 634 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING Trace Types For the trace type name parameter in the event command, you...

Ngày tải lên: 22/01/2014, 00:20

... over if the database has been running long enough 640 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING TABLE 15.4: ORACLE V$ VIEWS FOR DATABASE PERFORMANCE MONITORING View ... III Beyond Simple Database Management V$ROLLSTAT 642 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING TABLE 15.4: ORACLE V$ VIEWS FOR DATABASE PERFORMANCE MONITORING (CONTINUED) ... ©2002 SYBEX, Inc., Alameda, CA Beyond Simple Database Management SI 638 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING of trial and error to get the right setting), you may...

Ngày tải lên: 22/01/2014, 00:20

... after a database manager in a large Oracle database shop Of course, that’s only a rumor, and I’m not one to spread rumors 690 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING ... SYBEX, Inc., Alameda, CA PA R T III Beyond Simple Database Management I_SNAP _LEVEL 682 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING TABLE 15.7: STATSPACK.SNAP PARAMETERS ... SYBEX, Inc., Alameda, CA PA R T III Beyond Simple Database Management END; 696 CHAPTER 15 • ORACLE8i PERFORMANCE MONITORING AND DATABASE- LEVEL TUNING Monitoring Tablespace Space Objects that will...

Ngày tải lên: 22/01/2014, 00:20

... Inc., Alameda, CA Beyond Simple Database Management III 722 CHAPTER 16 • ORACLE8i SQL PERFORMANCE MONITORING AND TUNING where db_name is the name of the database, and spid is the operating system ... Alameda, CA PA R T III Beyond Simple Database Management Parameter 724 CHAPTER 16 • ORACLE8i SQL PERFORMANCE MONITORING AND TUNING TABLE 16.5: TKPROF COMMAND-LINE PARAMETERS (CONTINUED) Parameter ... STATEMENTS 749 Tuning SQL Statements You studied database tuning in general in Chapter 15, and SQL statement tuning is just one part of the overall tuning process Nevertheless, SQL tuning generally...

Ngày tải lên: 22/01/2014, 01:20

... CHAPTER 16 • ORACLE8i SQL PERFORMANCE MONITORING AND TUNING Other Tuning Suggestions Some of the following miscellaneous tuning suggestions apply only to RBO, and some apply to both RBO and CBO Using ... Alameda, CA III Beyond Simple Database Management An Addendum on Database Monitoring 788 CHAPTER 16 • ORACLE8i SQL PERFORMANCE MONITORING AND TUNING The dynamic performance view you’re most interested ... CHAPTER 17 Monitoring and Tuning Latches, Locks, and Waits F E AT U R I N G : Latches and locks 796 Wait management 813 Monitoring scripts and suggestions 826 Tuning locks, latches, and waits...

Ngày tải lên: 26/01/2014, 19:20

... tuning for latch contention Tuning Locks, Latches, and Waits Tuning for latches, locking, and waits is all about reducing I/O to the disks and improving database usage When you latch tuning and ... proactive database monitoring and tuning strategy Following are the important columns in this view: • NAME and LEVEL# : These two columns identify the latch being monitored and its level • GETS: ... of the database Again, benchmarking and really understanding the personality of your database goes a long way toward establishing an effective monitoring routine Monitoring Locks When monitoring...

Ngày tải lên: 26/01/2014, 19:20

... SYBEX, Inc., Alameda, CA PA R T III Beyond Simple Database Management NOTE 840 CHAPTER 17 • MONITORING AND TUNING LATCHES, LOCKS, AND WAITS Tuning Buffer Block Waits Data block waits listed in ... 861 PA R T III Beyond Simple Database Management TUNING AND MONITORING PARALLEL OPERATIONS CHAPTER 19 Oracle8i Data Warehousing Features F E AT U R I N G : Data marts and data warehouses 864 Query ... the SGA every time the database starts up Doing so will help improve performance, and will go a long way toward reducing performance problems Tune Up Your SQL General Tuning for Latch Contention...

Ngày tải lên: 26/01/2014, 19:20

... relationship of the LEVELs, creating the actual hierarchy You start by listing the most atomic level as defined in the LEVEL clause (such as Hourly Pay) and move to the most encompassing level of the ... well not be Altering and Dropping Dimensions The ALTER DIMENSION command allows you to manage your dimensions This command allows you to: • Add or drop hierarchy, levels and attributes to the ... for Oracle’s virtual private database functionality, which supplies database- controlled, row -level security DBMS_ROWID Provides procedures to analyze and dissect Oracle8i ROWIDs DBMS_SESSION...

Ngày tải lên: 26/01/2014, 19:20

... perform special database activities, such as starting up and shutting down the database In Oracle 8i, the SYSDBA and SYSOPER privileges supersede the INTERNAL user and its privileges (and, in fact, ... take down the database and bring it back up again before the change will take effect Once you’ve completed this final step, the database and highly privileged accounts will be database authenticated ... describe managing user accounts and authentication, including setting up profiles and roles Then we cover Oracle’s features for providing row -level and column -level security Managing Oracle User...

Ngày tải lên: 26/01/2014, 19:20

... Inc., Alameda, CA III Beyond Simple Database Managment NOTE 966 CHAPTER 21 • ORACLE8i DATABASE SECURITY test In this test, you log on to the database as each user and try to SELECT from the table ... input (control file and data files), the “output” (bad file, discard file, and log file), and the types of data loads possible (direct, conventional, and parallel) Conventional and Direct Path Loads ... Alameda, CA Beyond Simple Database Managment / 962 CHAPTER 21 • ORACLE8i DATABASE SECURITY You can actually take advantage of FGAC by just writing this policy package and taking the next step,...

Ngày tải lên: 26/01/2014, 19:20

... IV Oracle8i Distributed Database ADMINISTERING DATABASE LINKS 1020 CHAPTER 23 • ORACLE DATABASE LINKS Dropping Database Links To drop a database link use the DROP DATABASE LINK command: DROP DATABASE ... database systems This chapter covers the basic concepts of database links: how they work, how to manage and name them, and how to use them Database Link Architecture What is a database link and ... Oracle documentation for Oracle8i Distributed Database Systems Creating Database Links To create a database link, use the CREATE DATABASE LINK statement For creating a public database link, use the...

Ngày tải lên: 26/01/2014, 19:20

... standby databases You could configure four standby databases in managed recovery mode, and then configure any number of standby databases in manual recovery mode, limited only by the standby database ... Creating the Standby Control File All databases need control files, of course, and standby databases are no exception With a standby database, you use a standby control file You create the standby control ... standby database and whether to use managed recovery or manual recovery, you are ready to create the standby database Here are the steps for creating a standby database: Back up the primary database...

Ngày tải lên: 26/01/2014, 19:20

... start the standby database and put it in MOUNT mode: SQL> STARTUP NOMOUNT SQL> ALTER DATABASE MOUNT STANDBY DATABASE; Then, in MOUNT mode, open the database in read-only mode: SQL> ALTER DATABASE ... standby control file from the primary host to the standby host and start the standby instance in recovery mode: SQL> STARTUP NOMOUNT SQL> ALTER DATABASE MOUNT STANDBY DATABASE; SQL> RECOVER STANDBY ... Re-create the standby database • Back up the affected tablespaces from the primary database, transfer them to the standby database, and resume recovery • Cancel recovery on the standby database, take...

Ngày tải lên: 26/01/2014, 19:20

... knowing the commands and how the processes work is not enough to become a good DBA In addition, you need to know about backup and recovery You need to know about tuning the database and tuning the ... Take the examples and the generic routines we’ve provided and expand on them Add and subtract from them and incorporate them into your own database management activities Experiment and enjoy! What’s ... lost husbands, and the husbands who lost wives It is dedicated to the grieving families and friends and to the hope of peace, but also to the hope of justice for those who feel that terror and destruction...

Ngày tải lên: 07/04/2014, 15:48