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I. Backup and Recovery Overview1. Backup and Recovery Overview1.1 What is Backup and Recovery?Generally, backup and recovery references various policies and procedures to protect your database from data loss, and recreate the database after any data

Faults in Oracle are divided into the following 4 types.1) Statement failureA logical failure occurred during the execution of the SQL statement when the statement failed. For example, inserting invalid data into a table that violates a constraint,

Oracle 11g R2 Rman BackupDefinition and classification of backup and recoveryDefinition and classification of backup: 备份就是把数据库复制到转储设备的过程。其中，转储设备是指用于放置数据库副本的磁带或磁盘。通常也将存放于转储设备中的数据库的副本称为原数据库的备份或转储。备份是一份数据副本，从不同的角度分类如下：From a physical and logical

2.1. Data Recovery strategy determines Backup strategyYou are designing a backup strategy. If the data recovery needs and data recovery strategy starts. Each type of data recovery requires that you take the appropriate backup type.Failure occurs in

? Perform a full recovery after losing critical or non-critical data files? Restore with incremental update backup? Switch to image copy for quick recovery? Restore the database to a new host? Using Backup control files for recovery Using

IntroductionThe transaction log in SQL Server is undoubtedly one of the most important parts of SQL Server. Because SQL Server uses transaction logs to ensure persistence (durability) and transaction rollback (Rollback). This also partially ensures

? Determine what types of failures can occur in Oracle DB? Describe how to optimize instance recovery? Explain the importance of checkpoints, redo log files, and archived log files? Configure the quick recovery area? Configuring Archivelog Mode

• List the actions that occur when you perform a table space point-in-time restore (TSPITR) • Illustrate the definition of terms used by Tspitr • Determine the conditions that are appropriate for using TSPITR as a solution • Determine the correct

When using Microsoft Exchange Server 2003, you must note the differences between recovery and recovery. Restoration refers to the restoration of databases and log files to the server. Restoration refers to the replay of transaction logs to the

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