SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE 10.2.0.5.0 Production
TNS for Linux: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production
SQL> select count(*) from dba_feature_usage_statistics;
COUNT(*)
----------
0SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
PL/SQL Release 11.2.0.4.0 - Production
CORE 11.2.0.4.0 Production
TNS for Linux: Version 11.2.0.4.0 - Production
NLSRTL Version 11.2.0.4.0 - Production
SQL> select count(*) from dba_feature_usage_statistics;
COUNT(*)
----------
0
SQL> select * from v$version;
BANNER CON_ID
-------------------------------------------------------------------------------- ----------
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production 0
PL/SQL Release 12.1.0.2.0 - Production 0
CORE 12.1.0.2.0 Production 0
TNS for Linux: Version 12.1.0.2.0 - Production 0
NLSRTL Version 12.1.0.2.0 - Production 0
SQL> select count(*) from dba_feature_usage_statistics;
COUNT(*)
----------
0
SQL> select * from wri$_dbu_usage_sample;
DBID VERSION LAST_SAMPLE_DATE LAST_SAMPLE_DATE_NUM LAST_SAMPLE_PERIOD TOTAL_SAMPLES SAMPLE_INTERVAL
---------- ----------------- ------------------- -------------------- ------------------ ------------- ---------------
2390668590 12.1.0.1.0 05/11/2014 05:31:29 1415165488 0 1 604800【翻译自mos文章】对于一个新建的db来说，对Dba_Feature_Usage_Statistics的查询返回零行
原文：http://blog.csdn.net/msdnchina/article/details/50644711