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What are these Oracle schema

user13148231May 27 2010 — edited May 27 2010

I created a 11.1 database with dbca, and the created database has many user schemas. I can recognize some of them like SYS, OUTLN and SH etc. Others I do not recognize, and list below. Hope that somebody can tell me what are they and can they be safely dropped.

CTXSYS
EXFSYS
FLOWS_030000
FLOWS_FILES
MDSYS
OLAPSYS
ORDSYS
TSMSYS
WKSYS
WK_TEST
WMSYS
XDB

Thanks

This post has been answered by damorgan on May 27 2010

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Added on May 27 2010

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