SQL> begin
 2 
 3   dbms_stats.gather_table_stats(ownname => 'GZ_SAFETY',tabname=>'MB_BSS_USER_LOCATION', partname =>'PART_20170621');
 4  end;
 5  /
begin
 
 dbms_stats.gather_table_stats(ownname => 'GZ_SAFETY',tabname=>'MB_BSS_USER_LOCATION', partname =>'PART_20170621');
end;
ORA-20005: objectstatistics are locked (stattype = ALL)
ORA-06512: at "SYS.DBMS_STATS",line 24281
ORA-06512: at "SYS.DBMS_STATS",line 24332
ORA-06512: at line 3
查看统计信息锁定情况：
select distincttable_name, stattype_locked from user_tab_statistics where table_name ='MB_BSS_USER_LOCATION';
SQL> execdbms_stats.gather_table_stats(ownname => 'GZ_SAFETY',tabname=>'MB_BSS_USER_LOCATION', force=>TRUE); /*强制收集*/
PL/SQL procedure successfully completed
 
SQL>
SQL>
SQL> exec dbms_stats.unlock_table_stats(ownname=> 'GZ_SAFETY', tabname=>'MB_BSS_USER_LOCATION'); /*解锁*/
PL/SQL procedure successfully completed
补充：解锁schema。
DBMS_STATS.UNLOCK_schema_STATS(user);