A full backup is an operating system backup of all data files, on-line redo log files and control file that constitute ORACLE database and the parameter.
When using logical backup if we give full=y - that is a full backup.When using RMAN by default it takes full backup and image copy is also full backup since it contains all blocks used and not used ones. But in RMAN terms full backup is part of incremental ...
When the database is taken in backup mode the checkpoint takes place and the datafile header gets frozenAs the checkpoint takes place the database writer writes all the blocks from database buffer cache to datafiles.The same blocks are also written from ...
Full: Full backup means backing up everything.
Incremental: Incremental backup means backing up everything that has
changed since last full backup.
Differential: Differential seems to be another name for incremental.
Network: Network backup usually ...
Which is the best option used to move database from one server to another serve on same network?a) Import - Exportb)Backup-Restorec)Detach-AttachWhy?
How to recover the DB if we lost controlfile and we are not having backup also and the database is down...?
To take backup of the Access database, follow the steps:Alt+F --> Manage --> Backup Database -->Specify the path for the backup ...
Cold Backup is possible only when the database is down means it is not available to users to access. Disadvantage is we effort downtime. Here we need to take backup of datafiles, control files, redo files. Here we get consistent backup image.Hot backup ...
Whenever we take any backup through RMAN, in the repository information of the backup is recorded. The RMAN respository can be either controlfile or recovery catalog. However if I take a backup through OS command then RMAN does not aware of that and hence ...
Sql>alter database begin backup;The above query is used to freeze the header of all datafiles belongs to tablespace in that particular database.Freeze means lock i.e during backup no data's will be get in the datafiles.To release the headers from ...
How do you find the total database size in the database, is there any command to see the database size or in os level?2.can we unload the data by using sql*loader?3.can we take incremental backup with out taking complete backup?
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