ORA-20001: ORA-06512: at "SYS.DBMS_STATS", line 2242

某客户数据库在执行查询select  * from   DBA_TAB_STATISTICS报如下错误：

ORA-20001: BIN$12EX+RAYNZZGQB4KEQF0BW==$0 is an invalid identifier

ORA-06512: at "SYS.DBMS_STATS", line 2242

ORA-06512: at "SYS.DBMS_STATS", line 2258

ORA-06512: at "SYS.DBMS_STATS", line 30041

ORA-06512: at line 1
查找MOS，确定为bug，客户数据库版本为11.2.0.2，该bug在11.2.0.3中修复

Bug 9930151  ORA-20001 selecting from DBA_TAB_STATISTICS
 This note gives a brief overview of bug 9930151. 
 The content was last updated on: 28-JUN-2013
 Click here for details of each of the sections below.

Affects:

Product (Component)	Oracle Server (Rdbms)
Range of versions believed to be affected	Versions BELOW 12.1
Versions confirmed as being affected	11.2.0.2 11.2.0.1 11.1.0.7
Platforms affected	Generic (all / most platforms affected)

Fixed:

This issue is fixed in

12.1.0.1 (Base Release) 11.2.0.3 (Server Patch Set)

Symptoms:	Related To:
Error May Occur ORA-20001	Recycle Bin DBA_TAB_STATISTICS

Description

ORA-20001 errors are possible when querying statistics data dictionary
views if table names have non-alphanumeric characters. 
This includes if objects are present in the recycle bin.
 
eg:
 SELECT STALE_STATS FROM DBA_TAB_STATISTICS WHERE TABLE_NAME = '/X/Y';
 ^
 ORA-20001: /X/Y is an invalid identifier
 ORA-06512: at "SYS.DBMS_STATS", line 2082
 ...
 
Rediscovery Notes:
 If you are using table names with non-alphanumeric characters, and
 querying the statistics dictionary views for these tables gives an
 ORA-20001 error you are probably hitting this bug.

Please note: The above is a summary description only. Actual symptoms can vary. Matching to any symptoms here does not confirm that you are encountering this problem. For questions about this bug please consult Oracle Support.

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