Preface
This guide provides a compilation of topics from the Oracle Database user assistance documentation that are collected to help you complete a specific use case scenario.
Use Case Scenario for this Document
Use this scenario document to assist you to upgrade the entire multitenant architecture to a later release, including CDB$ROOT, PDB$SEED, and all of the pluggable databases (PDBs) plugged into the CDB, using parallel processing to limit your downtime.
Prerequisites for this Scenario
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You have installed the new release Oracle Database software on your server.
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You have backed up your multitenant architecture.
Oracle recommends that you update your source and target databases to the most recent release update (Update), or release update revision (Revision) before starting CDB upgrades.
Outline for this Scenario
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Upgrading Multitenant Architecture In Parallel. Learn about and then apply the procedure for upgrading your CDB, and upgrading all or part of your PDBs on a CDB in parallel.
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Review about upgrading pluggable databases in parallel.
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Upgrade the multitenant CDB and PDB in parallel.
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These steps correspond to the chapters and sections in this document.
Parent topic: Preface
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Parent topic: Preface