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Oracle Database Backup and Recovery Operation Guide

Course Introduction:Oracle Database Backup and Recovery Operation Guide 1. Use RMAN to back up the entire database. RMAN is a management tool provided by Oracle for backing up and recovering databases. You can use RMAN to back up the entire database, including data files, control files and archive logs. Here is an example of backing up the entire database: RMAN>CONNECTTARGET/RMAN>BACKUPDATABASEPLUSARCHIVELOG

2024-03-02 comment 0463

How to recover accidentally deleted table in oracle

Course Introduction:There are two methods to recover accidentally deleted Oracle tables: Use rollback segments: To recover recently deleted tables, the steps include: query rollback segments, create temporary tables, copy data, and delete temporary tables. Using backups: Recover deleted tables that are older or have unavailable rollback segments, including using RMAN, Expdp, or Cold Backup to restore the tables.

2024-04-18 comment852

How to recover deleted data in oracle

Course Introduction:Recovery methods for deleted data in Oracle include: undoing uncommitted transactions; using the flashback feature to roll back the database and flash back the tables; restoring from backup, which requires restoring the backup and applying logs; and using the RMAN utility to restore the database.

2024-04-18 comment614

How to restore database in oracle

Course Introduction:There are three ways to recover an Oracle database: Using the RMAN utility: connect to the target database, perform a recovery operation, and then open the database. Use Flashback technology: Check the logs, determine the point in time, initiate a Flashback rollback, and open the database. Use Data Recovery Advisor: Launch the tool, select repair options, and follow the instructions in the wizard.

2024-04-19 comment 0736

4 Fixes to Quickly Restore iPhone to Recovery Mode

Course Introduction:Is your iPhone stuck in recovery mode due to accidental operations such as accidental presses or incorrect presses? Is your iPhone stuck in recovery mode due to upgrade, downgrade, or factory reset? Is your iPhone stuck in recovery mode due to insufficient memory, jailbreaking, etc.? The reasons why the iPhone is stuck in recovery mode are different, and the solutions are also inconsistent. As long as it is not a hardware failure that causes the iPhone to be in recovery mode, it is still possible to fix it by yourself. Today, the editor will introduce 4 commonly used iPhone recovery mode repair methods with high repair rates! Method 1: Force restart What should I do if the iPhone enters recovery mode due to a wrong press or accidental press, squeezing or improper holding of the phone? At this point, you can use force restart to exit

2024-01-08 comment 0639

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