Oracle 12 c,
Recently, I noticed that I had a few new tables that I had not added(and more that were not included here):
MD_ADDITIONAL_PROPERTIES
MD_CATALOGS
MD_COLUMNS
MD_CONNECTIONS
MD_CONSTRAINT_DETAILS
MD_CONSTRAINTS
MD_DERIVATIVES
MD_GROUP_MEMBERS
MD_GROUP_PRIVILEGES
MD_GROUPS
MD_INDEX_DETAILS
MD_INDEXES
MD_MIGR_DEPENDENCY
MD_MIGR_PARAMETER
MD_MIGR_WEAKDEP
MD_OTHER_OBJECTS
MD_PACKAGES
MD_PRIVILEGES
MD_PROJECTS
MD_REGISTRY
MIGR_DATATYPE_TRANSFORMATION
MIGRLOG
MIGR_GENERATION_ORDER
Where do they come from and should I delete them.
Thanks,
Scott