sqlplus下 查看oracle 执行计划

Microsoft Windows [版本 6.1.7601]
版权所有 (c) 2009 Microsoft Corporation。保留所有权利。

C:\Users\zhangzheng2>sqlplus FWMS4SZ_DEV_MAIN_DDL/FWMS4SZ_DEV_MAIN_DDL@ORCL_10.10.21.48

SQL*Plus: Release 10.2.0.3.0 - Production on 星期四 10月 31 10:46:53 2013

Copyright (c) 1982, 2006, Oracle.  All Rights Reserved.

连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options

SQL> set serveroutput on size 100000
SQL> spool c:/explain_plan.txt
SQL> set linesize 300
SQL> set timing on
SQL> set autotrace traceonly
SQL> SELECT RELATION_ID,
  2         PARENT_ID,
  3         X_OR_Y_AXIS,
  4         A.DIMENSIONALITY_CODE,
  5         B.DIMENSIONALITY_NAME,
  6         A.DIMENSIONALITY_ID,
  7         TABLE_NAME,
  8         COLSPAN,
  9         ROWSPAN,
 10         PROJECT_NO,
 11         PROJECT_ID
 12    FROM PROD_PROJECT_DIMENSIONALITY A, PROD_DIMENSIONALITY_MEASURE B
 13   WHERE A.DIMENSIONALITY_CODE = B.DIMENSIONALITY_CODE
 14     AND PROJECT_NO = 'P0020'
 15   ORDER BY TO_NUMBER(RELATION_ID) ASC
 16  /

已选择10行。

已用时间:  00: 00: 00.13

执行计划
----------------------------------------------------------
Plan hash value: 3661685015

---------------------------------------------------------------------------------------------------
| Id  | Operation           | Name                        | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT    |                             |    10 |   700 |    11  (19)| 00:00:01 |
|   1 |  SORT ORDER BY      |                             |    10 |   700 |    11  (19)| 00:00:01 |
|*  2 |   HASH JOIN         |                             |    10 |   700 |    10  (10)| 00:00:01 |
|*  3 |    TABLE ACCESS FULL| PROD_PROJECT_DIMENSIONALITY |    10 |   540 |     6   (0)| 00:00:01 |
|   4 |    TABLE ACCESS FULL| PROD_DIMENSIONALITY_MEASURE |   680 | 10880 |     3   (0)| 00:00:01 |
---------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   2 - access("A"."DIMENSIONALITY_CODE"="B"."DIMENSIONALITY_CODE")
   3 - filter("PROJECT_NO"='P0020')

统计信息
----------------------------------------------------------
          1  recursive calls
          0  db block gets
         30  consistent gets
          0  physical reads
          0  redo size
       1295  bytes sent via SQL*Net to client
        350  bytes received via SQL*Net from client
          2  SQL*Net roundtrips to/from client
          1  sorts (memory)
          0  sorts (disk)
         10  rows processed

SQL> spool off;