Oracle 10g数据库备份与恢复基础教程

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Oracle Database Backup and Recovery Basics 10g Release 1 (10.1) 是一本由Oracle Corporation出版的重要技术指南，于2003年12月发布。该文档是Part No. B10735-01版本，主要针对Oracle数据库10.1版本的备份与恢复操作进行了深入浅出的讲解。本书由Antonio Romero担任主作者，Lance Ashdown作为贡献作者，书中还包括多位专家的参与，如Anand Beldalker、Tammy Bednar、Don Beusee等人，他们在数据保护和灾难恢复领域提供了宝贵的见解。该书的核心内容涵盖了Oracle数据库备份策略的各个方面，包括但不限于全备（Full Backup）、增量备份（Incremental Backup）和差异备份（Differential Backup），以及热备份（Hot Backup）和冷备份（Cold Backup）。此外，书中还详细解释了如何设置备份计划、使用RMAN（Recovery Manager）工具进行高效备份管理、数据库归档模式的应用，以及在面对数据丢失或系统故障时的恢复流程和最佳实践。值得注意的是，由于版权和许可限制，文档中的程序（包括软件和文档本身）包含Oracle的专有信息，未经许可不能进行逆向工程、拆解或反编译，除非是为了实现与其他独立开发软件的兼容性，或者法律另有规定。同时，书中提供的信息可能会随时更新，因此读者应确保查阅最新版本以获取最准确的指导。书中强调了保密性和知识产权保护，指出所有使用此文档的行为都必须遵守Oracle的许可证协议，以确保合法且合规的操作。此外，作者Valarie Moore的图形设计也为读者提供了直观易懂的视觉辅助。 Oracle Database Backup and Recovery Basics 10g Release 1 是数据库管理员和IT专业人员必备的参考资料，对于维护和保护Oracle数据库的安全和完整性具有重要价值。通过学习这本书，用户可以掌握高效、安全的备份与恢复方法，为企业的数据管理策略提供坚实的基础。

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UPPERCASE

Uppercase typeface indicates elements

supplied by the system. We show these

terms in uppercase in order to distinguish

them from terms you deﬁne. Unless terms

appear in brackets, enter them in the

order and with the spelling shown.

However, because these terms are not

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SELECT last_name, employee_id FROM

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SELECT * FROM USER_TABLES;

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Convention Meaning Example

What is Backup and Recovery?

1-2 Backup and Recovery Basics

What is Backup and Recovery?

In general, backup and recovery refers to the various strategies and procedures

involved in protecting your database against data loss and reconstructing the

database after any kind of data loss.

Physical Backups and Logical Backups

A backup is a copy of data from your database that can be used to reconstruct that

data. Backups can be divided into physical backups and logical backups.

Physical backups are backups of the physical ﬁles used in storing and recovering

your database, such as dataﬁles, control ﬁles, and archived redo logs. Ultimately,

every physical backup is a copy of ﬁles storing database information to some other

location, whether on disk or some ofﬂine storage such as tape.

Logical backups contain logical data (for example, tables or stored procedures)

exported from a database with an Oracle export utility and stored in a binary ﬁle,

for later re-importing into a database using the corresponding Oracle import utility..

Physical backups are the foundation of any sound backup and recovery strategy.

Logical backups are a useful supplement to physical backups in many

circumstances but are not sufﬁcient protection against data loss without physical

backups.

Unless otherwise speciﬁed, the term "backup" as used in the backup and recovery

documentation refers to physical backups, and to backup part or all of your

database is to take some kind of physcial backup. The focus in the backup and

recovery documentation set will be almost exclusively on physical backups.

Errors and Failures Requiring Recovery from Backup

While there are several types of problem that can halt the normal operation of an

Oracle database or affect database I/O operations, only two typically require DBA

intervention and media recovery: media failure, and user errors.

Other failures may require DBA intervention to restart the database (after an

instance failure) or allocate more disk space (after statement failure due to, for

instance, a full dataﬁle) but these situations will not generally cause data loss or

require recovery from backup.

See also: Oracle Database Utilities for more details about

importing and exporting data using Oracle export and import

utilities.

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