Recovery overview

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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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  • 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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  • 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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  • Bài giảng Cơ sở dữ liệu nâng cao - Chapter 2: Disaster recovery. Chương này trình bày một số nội dung sau: Overview about database backup and recovery, backup & restore strategy, disaster recovery planning,... Mời các bạn cùng tham khảo.

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  • Overview The Oracle server uses many memory components, background processes, and file structures for its backup and recovery mechanism. This lesson reviews the concepts presented in the Oracle9i Database Administration Fundamentals I course, with an emphasis on backup and recovery requirements. Oracle Instance An Oracle instance consists of memory areas (mainly System Global Area [SGA]) and background processes, namely PMON, SMON, DBWn, LGWR, and CKPT. An instance is created during the nomount stage of the database startup after the parameter file has been read.

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  • Overview The recovery catalog is a schema that is created in a separate database. It contains the RMAN metadata obtained from the target database control file. RMAN propagates information about the database structure, archived redo logs, backup sets, and datafile copies into the recovery catalog from the control file of the target database. You should use a catalog when you have multiple target databases to manage. RMAN stores, uses, and maintains the information in the recovery catalog. The recovery catalog is maintained by RMAN when you do the following: 1.

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  • that can occur during the various phases of oil and gas recovery from subsurface reservoirs including production, drilling, hydraulic fracturing, and workover operations. Formation damage assessment, control, and remediation are among the most important issues to be resolved for efficient exploitation of hydrocarbon reservoirs. Such damage is caused by various adverse processes, including chemical, physical, biological, and thermal interactions of formation and fluids, and deformation of formation under stress and fluid shear.

    pdf95p lulanphuong 19-03-2012 81 22   Download

  • Focusing on the rich biodiversity of Costa Rica, the contributors demonstrate the use of geographic information systems (GIS) to enhance conservation efforts. They give an overview of the spatial nature of conservation and management and the current status of digital mapping in Costa Rica; a review of the basic principles behind digital mapping technologies; a series of case studies using these technologies at a variety of scales and for a range of conservation and management activities; and the results of the Costa Rican gap analysis project....

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  • Whenever a conflict arose, the entire team compared estimates and discussed them. The purpose of this exercise was to identify potential weak links in the schedule and then to plan for them. Ultimately, the project manager allowed each team member to determine his or her own estimate within a phase. The only estimate he imposed on the team member was to complete the phase while adhering to the deadline for the entire project. For some projects the area of responsibility dictates not only tasks but responsibility for an entire phase.

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  • Economic and government “uncertainty” continues to mar recovery efforts. These areas of uncertainty trigger anxiety among consumers, investors, and business owners alike. The degree to which “uncertainty” negatively impacts the small-business economy generates much de- bate, prompting the addition of two new problems, “Uncertainty over Economic Conditions” and “Uncertainty over Government Actions.” “Uncertainty over Economic Conditions” is one of the six new problems added to the survey this year.

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  • The end result is not a "forgotten" war as much as one where governments have failed to provide meaningful transparency, and where an effort to provide a meaningful overview using unclassified information becomes a cut and paste exercise in finding materials that provide enough detail to at to show where the war is going and the challenges involved. The present draft is a rough cut at developing a comprehensive briefing on the current status of the war.

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  • From Rome to Byzantium provides a detailed overview of trading activity in the Roman and Byzantine Mediterranean, grounded in recent archaeological research. It is argued in what follows that while state-sponsored trading was undoubtedly important in both eras, 'free trading' led by consumer tastes and competition over prices must have played a significant role too. It is also contended that the so-called 'Dark Ages' of the seventh and eighth centuries saw more continuity with the Roman past in terms of both commercial activity and urban life than is often admitted.

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  • Technology-based standards are designed to facilitate the use of known, effective, demonstrated pollution prevention and control technologies. The release standards for new and existing pulp mills in Alberta were adopted after evaluation of technologies and wastewater treatment systems for Alberta pulp and paper mills, and top performing mills throughout the United States and Europe (see Appendix 1). The data for European mills are performance expectations and do not represent the regulatory standards that may be applied.

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  • Principles of Database Management Systems includes Course Overview (Physical data storage, Indexing & Hashing, Query Processing,...); Simplified DBMS structure, Why study DBMS implementation techniques?

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  • CS6290 Pentiums includes Pentium-Pro, Hardware Overview, Speculative Execution & Recovery, Branch Prediction, Micro-op Decomposition, Execution Ports, Intel P4, Faster Clock Speed, Extra Delays Needed.

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  • This book is a quick-reference guide for Recovery Manager (RMAN), Oracle's utility to manage all of your Oracle database backup and recovery activities. This book is not a comprehensive backup and recovery book. It contains an overview of RMAN architecture, shows briefly how to backup and restore databases using RMAN, describes catalog setup issues, and provides quick-reference syntax diagrams of RMAN commands.

    pdf114p nghianguyenluong 30-06-2009 275 82   Download

  • Carrier Recovery for ‘Sub-Coherent’ CDMA Overview In this chapter we examine possible methods of carrier recovery for the SECDMA presented in Chapter 6. In particular, we propose, evaluate and compare two techniques; namely Symbol-Aided Demodulation (SAD) and the Pilot-Aided Demodulation (PAD). The performance analysis of each scheme (SAD and PAD) includes both Rician and Rayleigh multipath fading channels, and thus are also useful (in addition to the satellite) in terrestrial mobile applications....

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  • Instructor Inputs Session 8 Session Overview This session includes the following topics: Recovery model Backing up system databases Monitoring performance by using dynamic management views Configuring log shipping Creating database snapshot Reverting a database from a snapshot Best practices Tips and Tricks FAQs Slide 1 Querying, Managing, and Administering Databases Using SQL Server 2005 Installing Windows XP Professional Using Attended Installation Objectives In this session, you will learn about: Recovery model Backing up system databases Monitoring performance by using dynamic mana...

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  • Policymaking to deal with the global financial crisis and ensuing global recession has now moved from containing the contagion to specific actions aimed at promoting recovery and changing regulations to prevent a reoccurrence of the problem. Other issues, such as health care and the war in Afghanistan, also are competing for attention. Some have expressed concern that the improving economic and financial outlook may cause regulatory reform of the financial system to lose some traction in the crowded policy agenda.

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