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Category: Oracle Cloud Basics

Oracle Multitenant DB 3 : Data Dictionary Architecture in CDB-PDB

From the user and application perspective, the data dictionary in each container in a CDB is separate, as it would be in a non-CDB.

For example, the DBA_OBJECTS view in each PDB can show a different number of rows. This dictionary separation enables Oracle Database to manage the PDBs separately from each other and from the root.

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