Article-62: Upgrade Options In Oracle 12c Multitenant Database
Introduction: Oracle has introduced multitenant architecture in Oracle Database 12c which has Container databases (CDB) and Pluggable databases (PDB). User data will be stored at PDB and, the CDB will have information about its mapped pluggable database. Users associated with Container database are called Common users who have access to all pluggable databases and Users created in pluggable databases are called Local user and these users have access to only that particular pluggable database (PDB).
Article URL: https://community.oracle.com/docs/DOC-995765
Introduction: Oracle has introduced multitenant architecture in Oracle Database 12c which has Container databases (CDB) and Pluggable databases (PDB). User data will be stored at PDB and, the CDB will have information about its mapped pluggable database. Users associated with Container database are called Common users who have access to all pluggable databases and Users created in pluggable databases are called Local user and these users have access to only that particular pluggable database (PDB).
Article URL: https://community.oracle.com/docs/DOC-995765
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