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Like what you read? Please share it with others. You should definitely consider switching from Wget and Curl over to Aria2!
Policies Affiliate Policy Privacy Policy. Close dialog. Session expired Please log in again. Loading Comments Use media recovery when one or more datafiles has been physically damaged. This can happen due to hardware errors or user errors, such as accidentally deleting a file. Complete media recovery is used with individual datafiles, tablespaces, or the entire database. Use incomplete media recovery when the database has been logically damaged.
This can happen due to application error or user error, such as accidentally deleting a table or tablespace. Incomplete media recovery is used only with the whole database, not with individual datafiles or tablespaces. If you do not want to do incomplete media recovery of the entire database, you can do tablespace point-in-time recovery with individual tablespaces.
Use block media recovery when a small number of blocks in one or more files have been physically damaged. Block media recovery is used with individual data blocks, and the remainder of the database remains online and available during the recovery.
Flashback Table is a push button solution to restore the contents of a table to a given point in time. An application on top of Flashback Query can achieve this, but with less efficiency. Flashback Database applies to the entire database. It requires configuration and resources, but it provides a fast alternative to performing incomplete database recovery.
Flashback Table uses information in the undo tablespace to restore the table. This provides significant benefits over media recovery in terms of ease of use, availability, and faster restoration. Flashback Database and Flashback Table differ in granularity, performance, and restrictions.
For a primary database, consider using Flashback Database rather than Flashback Table in the following situations:. A user error affected a table or a small set of tables, but the impact of reverting this set of tables is not clear because of the logical relationships between tables. A user error affected a table or a small set of tables, but using Flashback Table would fail because of its DDL restrictions.
Also, because Flashback Database moves the entire database back in time, constraints are not an issue, whereas they are with Flashback Table.
Flashback Table cannot be used on a standby database. For example, to create a copy of the table as of a specific time:. For out of place creation of the table, you only get data back. Constraints, indexes, and so on are not restored.
This could take significantly more time and space than Flashback Table. However, Flashback Table only restores rows in blocks that were modified after the specified time, making it more efficient.
In contrast to physical backups, logical backups are exports of schema objects, like tables and stored procedures, into a binary file. Oracle utilities are used to move Oracle schema objects in and out of Oracle. Export, or Data Pump Export, writes data from an Oracle database to binary operating system files.
Import, or Data Pump Import, reads export files and restores the corresponding data into an existing database. Although import and export are designed for moving Oracle data, you can also use them as a supplemental method of protecting data in an Oracle database.
You should not use Oracle import and export utilities as the sole method of backing up your data. Oracle import and export utilities work similarly to CTAS, but they restore constraints, indexes, and so on. They effectively re-create the whole table if an export was performed earlier corresponding to the Flashback time. Use tablespace point-in-time recovery when one or more tablespaces have been logically damaged, and you do not want to do incomplete media recovery of the entire database.
Tablespace point-in-time recovery is used with individual tablespaces. The flash recovery area is an Oracle-managed directory, file system, or Automatic Storage Management disk group that provides a centralized disk location for backup and recovery files. Oracle creates archived logs in the flash recov ery area.
RMAN can store its backups in the flash recovery area, and it uses it when restoring files during media recovery. The flash recovery area also acts as a disk cache for tape.
Oracle recovery components interact with the flash recovery area ensuring that the database is completely recoverable using files in flash recovery area. All files necessary to recover the database following a media failure are part of flash recovery area. Oracle lets you define a disk limit, which is the amount of space that Oracle can use in the flash recovery area.
A disk limit lets you use the remaining disk space for other purposes and not to dedicate a complete disk for the flash recovery area. It does not include any overhead that is not known to Oracle.
For example, the flash recovery area disk limit does not include the extra size of a file system that is compressed, mirrored, or some other redundancy mechanism.
Oracle and RMAN create files in the flash recovery area until the space used reaches the flash recovery area disk limit. Then, Oracle deletes the minimum set of existing files from the flash recovery area that are obsolete, redundant copies, or backed up to tertiary storage. The bigger the flash recovery area, the more useful it becomes. The recommended disk limit is the sum of the database size, the size of incremental backups, and the size of all archive logs that have not been copied to tape.
If the flash recovery area is big enough to keep a copy of the tablespaces, then those tablespaces do not need to access tertiary storage. The minimum size of the flash recovery area should be at least large enough to contain archive logs that have not been copied to tape. For example, if an ASM disk group of size GB is used with normal redundancy for the flash recovery area, then the flash recovery area disk limit must be set to 50 GB.
Oracle Database Backup and Recovery Advanced User's Guide for the rules that define the priority of file deletion, as well as other information about the flash recovery area. Oracle Database Administrator's Guide for information about how to set up and administer the flash recovery area.
Introduction to Backup A backup is a copy of data. Consistent and Inconsistent Backups A consistent backup is one in which the files being backed up contain all changes up to the same system change number SCN. Overview of Inconsistent Backups An inconsistent backup is a backup in which the files being backed up do not contain all the changes made at all the SCNs.
If such a backup is used to restore the database, then data corruption might result. Archiving Unarchived Redo Log Files After an online backup or inconsistent closed backup, always ensure that you have the redo necessary to recover the backup by archiving the unarchived redo logs. Backing Up the Archived Logs and the Control File After open or inconsistent closed backups, Oracle recommends backing up all archived logs produced during the backup, and then backing up the control file after the backup completes.
Whole Database Backups A whole database backup is a backup of every datafile in the database, plus the control file. Tablespace Backups A tablespace backup is a backup of the datafiles that constitute the tablespace.
Datafile Backups A datafile backup is a backup of a single datafile. The datafiles are read only or offline-normal. Note : Unlike operating system copies, RMAN validates the blocks in the file and records the copy in the repository. RMAN with Online Backups Because the database continues writing to the file during an online backup, there is the possibility of backing up inconsistent data within a block.
Control File Backups Backing up the control file is a crucial aspect of backup and recovery. Archived Redo Log Backups Archived redo logs are essential for recovering an inconsistent backup. Introduction to Recovery To restore a physical backup of a datafile or control file is to reconstruct it and make it available to the Oracle database server. Overview of Media Recovery The type of recovery that takes a backup and applies redo is called media recovery.
This section contains the following topics: Complete Recovery Incomplete Recovery Datafile Media Recovery Block Media Recovery Complete Recovery Complete recovery involves using redo data or incremental backups combined with a backup of a database, tablespace, or datafile to update it to the most current point in time. If you are performing complete recovery on the whole database, then you must: Mount the database Ensure that all datafiles you want to recover are online Restore a backup of the whole database or the files you want to recover Apply online or archived redo logs, or a combination of the two If you are performing complete recovery on a tablespace or datafile, then you must: Take the tablespace or datafile to be recovered offline if the database is open Restore a backup of the datafiles you want to recover Apply online or archived redo logs, or a combination of the two.
Incomplete Recovery Incomplete recovery, or point-in-time recovery, uses a backup to produce a noncurrent version of the database. You usually perform incomplete recovery of the whole database in the following situations: Media failure destroys some or all of the online redo logs. A user error causes data loss, for example, a user inadvertently drops a table. You cannot perform complete recovery because an archived redo log is missing.
You lose your current control file and must use a backup control file to open the database. Note: Flashback Database is another way to perform incomplete recovery. Tablespace Point-in-Time Recovery The tablespace point-in-time recovery TSPITR feature lets you recover one or more tablespaces to a point in time that is different from the rest of the database.
TSPITR is most useful when you want to: Recover from an erroneous drop or truncate table operation Recover a table that has become logically corrupted Recover from an incorrect batch job or other DML statement that has affected only a subset of the database Recover one independent schema to a point different from the rest of a physical database in cases where there are multiple independent schemas in separate tablespaces of one physical database Recover a tablespace on a very large database VLDB rather than restore the whole database from a backup and perform a complete database roll-forward TSPITR has the following limitations: You cannot use it on the SYSTEM tablespace, an UNDO tablespace, or any tablespace that contains rollback segments.
Incomplete Media Recovery Options Because you are not completely recovering the database to the most current time, you must tell Oracle when to terminate recovery. Type of Recovery Function Time-based recovery Recovers the data up to a specified point in time. Change-based recovery Recovers until the specified SCN. Log sequence recovery Recovers until the specified log sequence number only available when using Recovery Manager. Go to Goole Cloud Platform.
Updating my IDM to the latest version did the trick for me. Once I updated IDM to the latest version it automatically added an extension to chrome. I, then restarted chrome in normal mode, pasted the url and hit on "Enter" and IDM popped up with the proper link for the file to be downloaded. I'm happily downloading the file with IDM now.
The file size is approx. I had the same issue and i found this way that is so much easy at the first i have to say it's usable if you want to download of downloaded files from google drive by IDM Internet Download Manager So do this steps: 1-download the file with idm Image Step 1. Image Step Step Step Ubuntu Community Ask! Sign up to join this community.
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Learn more. How to download large Google Drive file with resume support in Ubuntu? Ask Question. Asked 5 years, 6 months ago. Active 4 months ago. Viewed 94k times.
I have no luck with wget via terminal as well. So what could be the easy way? Google Chrome for Linux. Chrome for Linux is the one of the most used Internet browsers on the world. The first version was released in September 2, Chrome uses The Blink layout engine. Chrome is very popular for many integrated useful features such as security, malware blocking, stability, user interface etc.
Chrome also supports extensions and web applications. In most cases, there is really no way to open crdownload file. Some multimedia files can perhaps be played, but it is likely that you will experience errors or the file might not load at all. These files cannot be converted, because their download has not been successfully finished. You can convert the original file once the download is done.
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