Month: March 2023
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Modifying Initialization Parameters Specific to a PDB- Large Objects
Read More: Modifying Initialization Parameters Specific to a PDB- Large ObjectsOracle allows some initialization parameters to be modified while connected as a privileged user to a PDB. You can view these parameters via the following query: SQL> select name from v$parameter where ispdb_modifiable=’TRUE’ order by name; Here is a snippet of the output: NAME sort_area_size sql_trace sqltune_category star_transformation_enabled statistics_level When you make initialization parameter changes…
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Recovery Catalog Versions – RMAN Backups and Reporting
I recommend that you create a recovery catalog for each version of the target databases that you are backing up. Doing so will save you some headaches with compatibility issues and upgrades. I have found it easier to use a recovery catalog when the database version of the rman client is the same version used…
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Registering a Target Database – RMAN Backups and Reporting
Now, you can register a target database with the recovery catalog. Log in to the target database server. Ensure that you can establish connectivity to the recovery catalog database. For instance, one approach is to populate the TNS_ADMIN/tnsnames.ora file with an entry that points to the remote database. On the target database server, register the…
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Creating a Recovery Catalog – RMAN Backups and Reporting
When I use a recovery catalog, I prefer to have a dedicated database that is used only for the recovery catalog. This ensures that the recovery catalog is not affected by any maintenance or downtime required by another application (and vice versa). Listed next are the steps for creating a recovery catalog: 1. Create a…