Strange tables in oracle xe

I installed docker and pulled wnameless/oracle-xe-11g container.
WWhen I opend it with sql developer I saw many tables with $, what is it?

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  • One Solution collect form web for “Strange tables in oracle xe”

    These are called dynamic performance tables. Please read below for more info.

    https://docs.oracle.com/cd/A57673_01/DOC/server/doc/A48506/dynperf.htm

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.