我昨天也這樣試過，但出來的結果和預料相差很遠。

wyq@ORCL>update emp set ename = ename;

12 rows updated.

wyq@ORCL>get lock

line 16 truncated.

1??/* showalllock.sql */

2??column username format a6

3??column object_name format a13

4??column o_name format a13

5??column lock_type format a13

6??column object_name format a13

7??column type format a5

8??select s.username,l.sid,l.type,l.id1,l.id2,o.object_name,

9? ?? ?decode(l.lmode,0,'None', 1,'Null', 2,'Row Share',

10? ?? ?3,'Row Exclusive', 4,'Share', 5,'Share Row Exclusive',

11? ?? ?6,'Exclusive') lock_type,l.request,l.ctime,l.block

12??from v$lock l,v$session s,dba_objects o

13??where l.type in ('TX','TM')

14??and l.sid = s.sid

15* and l.id1 = o.object_id(+)

16

wyq@ORCL>ed

Wrote file afiedt.buf

1??select s.username,l.sid,l.type,l.id1,l.id2,o.object_name,

2? ?? ?decode(l.lmode,0,'None', 1,'Null', 2,'Row Share',

3? ?? ?3,'Row Exclusive', 4,'Share', 5,'Share Row Exclusive',

4? ?? ?6,'Exclusive') lock_type,l.request,l.ctime,l.block,x.sql_text

5??from v$lock l,v$session s,dba_objects o,v$sql x

6??where l.type in ('TX','TM')

7??and l.sid = s.sid

8??and l.id1 = o.object_id(+)

9* and s.sql_hash_value = x.hash_value

wyq@ORCL>/

USERNA? ?? ???SID TYPE? ?? ?? ?ID1? ?? ???ID2 OBJECT_NAME? ?LOCK_TYPE? ?? ???REQUEST? ?? ?CTIME? ?? ?BLOCK

------ ---------- ----- ---------- ---------- ------------- ------------- ---------- ---------- ----

SQL_TEXT

----------------------------------------------------------------------------------------------------

WYQ? ?? ?? ?? ?18 TX? ?? ???393238? ?? ???112? ?? ?? ?? ?? ?Exclusive? ?? ?? ?? ???0? ?? ???120? ?? ?? ? 0

BEGIN DBMS_OUTPUT.GET_LINES(:LINES, :NUMLINES); END;

WYQ? ?? ?? ?? ?18 TM? ?? ?? ? 6492? ?? ?? ? 0 EMP? ?? ?? ???Row Exclusive? ?? ?? ? 0? ?? ???120? ?? ?? ? 0

BEGIN DBMS_OUTPUT.GET_LINES(:LINES, :NUMLINES); END;

wyq@ORCL>

每行的結果都是如此。

總結

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