As part of an ongoing Exadata migration assignment, we have been exploring Oracle 12c multitenant capabilities a lot. I would like to share here some of selected useful MOS Doc about 12c multitenant concepts:
Below docs explains most of the 12c multitenant concepts:
Initialization parameters in a Multitenant database - Facts and additional information (Doc ID 2101596.1)
Initialization parameters in a Multitenant database - FAQ and Examples (Doc ID 2101638.1)
Oracle Multitenant Option - 12c : Frequently Asked Questions (Doc ID 1511619.1)
12c Multitenant Container Databases (CDB) and Pluggable Databases (PDB) Character set restrictions / ORA-65116/65119: incompatible database/national character set ( Character set mismatch: PDB character set CDB character set ) (Doc ID 1968706.1)
How to Restore - Dropped Pluggable database (PDB) in Multitenant (Doc ID 2034953.1)
Script For Getting Complete Basic Information about configured CDB and PDB in Oracle Database Multitenant 12c (Doc ID 2012221.1)
Difference Between Major Components of Traditional Databases and Multitenant Databases CDB/PDB Introduced in Version 12c (Doc ID 2013529.1)
How to set a Pluggable Database to have a Different Time Zone to its own CDB (Doc ID 2127835.1)
Where Manageability Data is Stored in 12c Multi-tenant (CDB) database (Doc ID 1586256.1)
Master Note for the Oracle Multitenant Option (Doc ID 1519699.1)
Below notes outlines guideline to manage 12c Multitenant Container Database while Oracle Data Guard configuring is in-place:
Step by Step Examples of Migrating non-CDBs and PDBs Using ASM for File Storage (Doc ID 1576755.1)
Making Use Deferred PDB Recovery and the STANDBYS=NONE Feature with Oracle Multitenant (Doc ID 1916648.1)
Data Guard Impact on Oracle Multitenant Environments (Doc ID 2049127.1)
PDB Failover in a Data Guard environment: Unplugging a Single Failed PDB from a Standby Database and Plugging into a New Container (Doc ID 2088201.1)