Multitenant environment?
(TDE)?
A backup set may be duplexed with both copies written to disk.
An image copy on disk can be copied to disk.
A backup set may be duplexed with both copies written to sbt.
A backup set may be duplexed so that one copy is written to sbt and the other
To disk.
They are installed via OPatch or OPatchAuto.
A base release is not needed to install patchsets.
They can be applied in a rolling fashion for Clusterware and the databases.
Installing a patchset is considered an "upgrade."
They can introduce new features.
They are only released quarterly.
Catalog with a pluggable database (PDB) target connection in Oracle
Database 19c and later releases?
The base catalog owner must give the Virtual Private Catalog access to
Metadata for one or more PDBs.
The target PDB must be registered in both the base catalog and the Virtual Private Catalog.
The base catalog must be used by RMAN when performing point-in-time
Recovery for the PDB registered in the Virtual Private Catalog.
The base catalog must be enabled for Virtual Private Catalog use.
Their recovery in an Oracle Database?
If a row lock is held by a nonexistent transaction, the block containing the row
Is media corrupt.
DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data
Block to help detect physical or media corruption.
A media corrupt block is one where the block is not formatted correctly.
The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that
Each table row has an index entry pointing to it.
(AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle
Multitenant environment?
) It is used in both clustered and non-clustered environments.
) You can add and remove components from an Oracle Restart configuration
With Server Control (SRVCTL) commands.
) It runs from the Oracle Grid Infrastructure home.
) If you shut down a database instance with SQL*Plus, Oracle Restart interprets
This as a database failure and attempts to restart the instance.
It considers the filters in WHERE clauses when generating execution plans for SQL statements.
It obeys all hints.
It considers object statistics when generating execution plans for SQL statements.
It updates stale object statistics in the Data Dictionary.
It can re-optimize execution plans after previous executions detect suboptimal plans.
(RHP), which has been available since Oracle 18c?
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