使用orachk工具检查数据库实例的时候，发现报告里面有类似下面这样一些错误（最近有给Oracle 10g应用补丁PSU 10.2.0.5.180717，不清楚是这个产生的还是其他原因导致），使用脚本检查，发现有很多INVALID对象（具体参考[转载]—Health Check Reports Problem: Dependency$ p_timestamp mismatch for VALID objects (文档 ID 781959.1)）
[W] - P_OBJ#=37817 D_OBJ#=38416
[W] - P_OBJ#=38014 D_OBJ#=38605
[W] - P_OBJ#=38020 D_OBJ#=38611
[W] - P_OBJ#=38043 D_OBJ#=38634
[W] - P_OBJ#=38061 D_OBJ#=38652
[W] - P_OBJ#=38064 D_OBJ#=38655
[W] - P_OBJ#=38087 D_OBJ#=38678
[W] - P_OBJ#=38090 D_OBJ#=38681
select
do.obj# d_obj,do.name d_name, do.type# d_type,
po.obj# p_obj,po.name p_name,
to_char(p_timestamp,'DD-MON-YYYY HH24:MI:SS') "P_Timestamp",
to_char(po.stime ,'DD-MON-YYYY HH24:MI:SS') "STIME",
decode(sign(po.stime-p_timestamp),0,'SAME','*DIFFER*') X
from sys.obj$ do, sys.dependency$ d, sys.obj$ po
where P_OBJ#=po.obj#(+)
and D_OBJ#=do.obj#
and do.status=1 /*dependent is valid*/
and po.status=1 /*parent is valid*/
and po.stime!=p_timestamp /*parent timestamp not match*/
order by 2,1;