원문
Support for Thousands of Pluggable Databases for Each Multitenant Container Database
Oracle Database 12c Release 2 (12.2) now supports having thousands of pluggable databases (PDBs) in a single multitenant container database (CDB).
Oracle Database 12c Release 1 (12.1.0.1) supported up to 252 PDBs for each CDB. By supporting higher numbers of PDBs for each CDB, you have fewer CDBs to manage and thus benefit from further reductions in operating expenses.
요약
12c R1은 cdb당 252개 pdb를 지원했는데 r2는 수천개의 pdb를 지원
출처
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