Xem 1-20 trên 50 kết quả Perform backups
  • This manual is intended for database administrators who perform backup and recovery of an Oracle database server. To use this document, you need to know the following:  Relational database concepts and basic database administration as described in Oracle Database Concepts and Oracle Database Administrator's Guide  The operating system environment under which you are running the Oracle database

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  • The Oracle8 Backup and Recovery Guide contains information that describes the features and functionality of the Oracle8 and the Oracle8 Enterprise Edition products. Oracle8 and Oracle8 Enterprise Edition have the same basic features. However, several advanced features are available only with the Enterprise Edition, and some of these are optional. For example, to perform automated tablespace point-in-time recovery (using Recovery Manager), you must have the Enterprise Edition.

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  • Oracle Database 10g RMAN Backup & Recovery by Matthew Hart and Robert G. Freeman Oracle Press © 2007 (696 pages) Deploy a rock-solid data backup and disaster recovery strategy with the in-depth guidance of this authoritative text. Learn how to set up RMAN-ready databases, create reliable backup tapes and discs, and perform accurate Oracle system restores.

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  • Transport diversity is a general terminology used for selecting or preferring a network exit-point for end-user application traffic across network topologies that have a variety of characteristics. These characteristics include things like monetary cost, reliability or availability, availability of bandwidth, and latency. One example of transport diversity is a branch office environment that has a primary path using Frame Relay and a backup or alternate path using basic rate ISDN.

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  • Types of Recovery Manager Backups Recovery Manager provides functionality to back up: The entire database, every datafile in a tablespace, or a single datafile The control file All or selected archived logs Note: The online redo log files are not backed up when using Recovery Manager. Closed Database Backups A closed database backup is defined as a backup of the database while it is closed (offline). This is the same as the consistent database backup. If you are performing a closed backup, the target database must not be open.

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  • Backing up the System State Data It is recommended that you perform the procedures of backing up the System State Data on a regular basis.

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  • Overview One of the major responsibilities of a database administrator (DBA) is to ensure that the database is available for use. The DBA can take precautions to minimize failure of the system. In spite of the precautions, it is naive to think that failures will never occur. The DBA must make the database operational as quickly as possible in case of a failure and minimize the loss of data. To protect the data from the various types of failures that can occur, the DBA must back up the database regularly. Without a current backup, it is impossible for the DBA to...

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  • Backup Terminology Whole Database Backup Whole database backup (also known as whole backup) refers to a backup of all datafiles and the control file of the database. Whole backups can be performed when the database is closed or open. This is the most common method of backup. The whole backup that is taken when the database is closed (after the database is shut down using the NORMAL, IMMEDIATE, or TRANSACTIONAL options) is called a consistent backup.

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  • Deploy a rock-solid data backup and disaster recovery strategy with the in-depth guidance of this authoritative text. Learn how to set up RMAN-ready databases, create reliable backup tapes and discs, and perform accurate Oracle system restores.

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  • Oracle Database 11g contains several major innovations in the areas of change management, fault diagnosability, performance management, Data Guard administration, storage management, and data warehousing, among other areas. Besides the database administration changes, there are significant improvements in application development–related features, including natively compiled PL/SQL code, PL/SQL inlining, and enhanced triggers.

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  • Chức Năng : Chứa toàn bộ dữ liệu trong database. Lưu Trữ các dữ liệu thuộc cấu trúc logic của database như tables hay indexes Tính Chất Mỗi datafile chỉ có thể được sử dụng trong một database. Một số tính chất cho phép tự động mở rộng kích thước mỗi khi database hết chỗ lưu trữ dữ liệu. Một hay nhiều datafiles tạo nên một đơn vị lưu trữ logic của database gọi là tablespace. Một datafile chỉ thuộc về một tablespace....

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  • The System Administrator for the XYZ Company needs to back up some of the files on the server. These files are important to the company and losing these files would cause damage to the company. It is the System Administrators job to perform backups as preventative maintenance and to back up important files as required.

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  • Recovery Manager Features Recovery Manager (RMAN) is an Oracle utility that you use to manage the backup, restore, and recovery operations on Oracle databases. RMAN has a powerful command language that is independent of the operating system. Recovery Manager has a command-line interface. Oracle Enterprise Manager also provides a graphical user interface for the Recovery Manager. Recovery Manager can be used on databases of Oracle8 or later releases. RMAN provides several features not available when you make user-managed backups with operating system commands.

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  • Describe the various types of hardware used to perform backups. Understand the difference between full, incremental, and differential backup jobs.

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  • In Chapter 11 we looked at hard disks. In this chapter, we’ll consider how to guard against data loss, and how to transfer data from one location to another. These are functions that UNIX traditionally performs with tapes, and we’ll look at them in the next sections. Because FreeBSD runs on PCs, however, you can’t completely escape floppy disks, though it would be an excellent idea. We’ll look at floppies on page 256.

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  • Restoration and Datafile Media Recovery Using RMAN RMAN automates the procedure for restoring files. When you issue the RESTORE command, RMAN uses a server session to restore the correct backups and copies. The RMAN repository is used to select the best available backup set or image copies to use in the restoration. By default, RMAN does not restore a file if the file is already in the correct place and its header contains the correct information. In releases before Oracle9i, the files were always restored.

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  • It is typical that when one has made a decision, one wonders what its consequences will be. Therefore, once an investor has given money to a fund manager to invest on his/her behalf, he/she should have the right to know what sort of performance they have obtained. Does the fund manager offer superior or inferior performance? How does the fund manager perform compared to peers? And what sort of strategy is used?

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  • After you have planned your installation and are ready to install the new operating system, you should take the time to perform some basic steps that will prepare your system for Setup. Additionally, if you are performing an upgrade, be sure to also review the release notes on the CD-ROM and ensure that you have disabled or removed any applications specified before running Setup. The following tasks should be performed before running Setup to ensure a smooth installation of Windows 2000: Perform backups.

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  • There is considerable debate concerning the relative merits of different transportation modes. As previously mentioned, there is little debate concerning the value of basic highway rehabilitation, and much of the U.S. highway system is now due for major maintenance and repair, as indicated in Federal Highway Administration Conditions and Performance Reports (FHWA 2006).

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  • Occupation cluster analysis helps identify the fastest growing occupations within the region. Here is an example from one region in Indiana (Economic Growth Region 11). This region is a center for riverboat gaming. The data show how the growth of this business sector has created new demands for different occupations. Table 3 helps quickly identify those occupations with the strongest percentage change and the largest increase in the number of jobs from 2001 to 2007.

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