Subclients contain the information about what Oracle data is backed up.
When you create an Oracle database instance, a default subclient that includes the entire database and log and control files is automatically created.
If a new database object is added to the Oracle database and none of the subclients contain that database object, then the object is assigned to the default subclient.
You can use the CommCell Console or the Commvault Command Line Interface to create separate subclients for each unique data set and log files. Use the following criteria when determining the unique data sets:
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The data content you want to back up and how you need to restore the data (for example, all tables or a subset of tables)
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The database state when you perform backups
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The required schedule for the data