使用dbms_xplan工具查看执行计划9i有一个新的包 dbms_xplan，对查询plan_table表是一个很有用的工具，相对于以前写一个复杂的SQL语句，然后从plan_table看执行计划，......
Rem utlxplan.sql should be used to create that table
Rem
Rem With SQL*plus, it is recomended to set linesize and pagesize before
Rem running this script. For example:
Rem set linesize 130
Rem set pagesize 0
Rem
Rem MODIFIED (MM/DD/YY)
Rem bdagevil 01/23/02 - rewrite with new dbms_xplan package
Rem bdagevil 04/05/01 - include CPU cost
Rem bdagevil 02/27/01 - increase Name column
Rem jihuang 06/14/00 - change order by to order siblings by.
Rem jihuang 05/10/00 - include plan info for recursive SQL in LE row source
Rem bdagevil 01/05/00 - make deterministic with order-by
Rem bdagevil 05/07/98 - Explain plan script for parallel plans
Rem bdagevil 05/07/98 - Created
Rem
set markup html preformat on
Rem
Rem Use the display table function from the dbms_xplan package to display the last
Rem explain plan. Use default mode which will display only relevant information
Rem
select * from table(dbms_xplan.display());
[oracle@ocn1 admin]$
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