标题: Drop Tablespace Command Hangs even if Fix 9841075 Applied [打印本页] 作者: 刘泽宇 时间: 9 小时前 标题: Drop Tablespace Command Hangs even if Fix 9841075 Applied 现象：
Trying to drop tablespace but the command hangs every time, Applied patch 9841075 but the issue still occurring.
When get error stack dump it stopped in the below statement:
----- Current SQL Statement for this session (sql_id=cgcsnk9j6cuha) -----
select NULL from (select obj# objnum# from tab$ where ts#=:1 and bitand(property, 32) = 0 union all select bo# objnum# from tabpart$ where ts#=:1 union all select tcp.bo# objnum
# from tabcompart$ tcp,tabsubpart$ tsp where tsp.ts#=:1 and tsp.pobj#=tcp.obj# union all select t.obj# objnum# from tab$ t, ind$ i where i.ts#=:1 and i.type#=4 and i.bo#=t.obj# an
d bitand(t.property, 32) = 0 union all select t.obj# objnum# from indpart$ ip,ind$ i,tab$ t where ip.ts#=:1 and i.type#=4 and i.bo#=t.obj# and ip.bo#=i.obj# union all sele
ct t.obj# objnum# from indcompart$ icp,indsubpart$ isp,ind$ i,tab$ t where isp.ts#=:1 and isp.pobj#=icp.obj# and i.type#=4 and i.bo#=t.obj# and icp.bo#=i.obj# ) tin, cdef$ cdef where tin.o
bjnum# = cdef.robj# and cdef.obj# in (select obj# objnum# from tab$ where ts#<>:1 and bitand(property, 32) = 0 union all select distinct bo# objnum# from tabpart$ where ts#<>:1 un
ion all select distinct tcp.bo# objnum# from tabcompart$ tcp,tabsubpart$ tsp where tsp.ts#<>:1 and tsp.pobj#=tcp.obj# union all select t.obj# objnum# from tab$ t,ind$ i where i.ts#<>:1
and i.type#=4 and i.bo#=t.obj# and bitand(t.property, 32) = 0 union all select distinct t.obj# objnum# from indpart$ ip,ind$ i,tab$ t where ip.ts#<>:1 and i.type#=4 and
i.bo#=t.obj# and ip.bo#=i.obj# union all select distinct t.obj# objnum# from indcompart$ icp,indsubpart$ isp,ind$ i,tab$ t where isp.ts#<>:1 and isp.pobj#=icp.obj# and i.type
#=4 and i.bo#=t.obj# and icp.bo#=i.obj# )
原因：
Stale statistics for data dictionary and the fixed tables is the reason
处理方法：
Run the below to gather dictionary and fixed objects statistics: