oracle中的类似BIN$MrkCYT9eTTK+0sStMwn7+Q==$0的表的作用
https://www.2cto.com/database/201211/166482.html
https://docs.oracle.com/cd/E11882_01/server.112/e40402/statviews_2108.htm#REFRN20281
https://www.2cto.com/database/201211/166482.html
https://docs.oracle.com/cd/E11882_01/server.112/e40402/statviews_2108.htm#REFRN20281