What are the BIN$... tables in Oracle's ALL_TAB_COLUMNS table?

Posted by Aaron Digulla on Stack Overflow See other posts from Stack Overflow or by Aaron Digulla
Published on 2010-03-15T09:23:53Z Indexed on 2010/03/15 9:29 UTC
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Oracle

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tables

When I query ALL_TAB_COLUMNS in Oracle, I see tables called

BIN$frKctA83wMPgQEOSh0Az+A==$0
BIN$frKctA8cwMPgQEOSh0Az+A==$0
BIN$frQ1pdU2TgXgQEOSh0APxA==$0
BIN$frQ1pdVGTgXgQEOSh0APxA==$0

There is no corresponding entry in ALL_TABLES. What are those?

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