12c Architecture - 12c Multitenant Architecture - CDB & PDB Implementation - 12c Container Database

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12c Oracle Multitenant Architecture - CDB – PDB Implementation:
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Oracle Multitenant: Concepts and Implementation
Multitenant Architecture
Multitenant Implementation
Horizontally Partitioned Data Dictionary
Local and Common Users
Data Dictionary Views
Modifying Initialization Parameters
Plug into Oracle Multitenant

• Multitenant container database
– Administration from CDB
• A CDB can contain one or
many pluggable databases
– Data and code in PDBs
– Applications connect to PDBs
• Simple and fast provisioning,
cloning, plugin, patching and
upgrade

Pluggable Databases
Multitenant Container Database

• Multitenant architecture can currently support up to 252 PDBs
• PDB / non-CDB compatibility guarantee:

You cannot tell, from the viewpoint of a connected client, if you’re using a PDB or a non-CDB

Different Methods of creating a PDB
Clone from PDB$SEED
Clone from another PDB
Clone from a Remote CDB
Convert a non-CDB to PDB
Plug a unplugged PDB

#12c #PDB #CDB #12cArchitecture #MultitenantArchitecture #RAC #exadata #oracle #oracledatabase #oracledba #database #databaseperformanceIssue #databases


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