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      terry筆記]Oracle會(huì)話追蹤(二):TKPROF

       昵稱(chēng)10504424 2013-08-28

      在系統(tǒng)下執(zhí)行tkprof,效果是把trace文件轉(zhuǎn)換成可供人類(lèi)閱讀的格式


      復(fù)制代碼
      TKPROF: Release 11.2.0.3.0 - Development on Sat Aug 24 13:51:24 2013
      
      Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
      
      Trace file: ora11g_ora_5829.trc
      Sort options: fchela 
      ********************************************************************************
      count     = number of times OCI procedure was executed
      cpu        = cpu time in seconds executing
      elapsed  = elapsed time in seconds executing
      disk       = number of physical reads of buffers from disk
      query    = number of buffers gotten for consistent read
      current  = number of buffers gotten in current mode (usually for update)
      rows     = number of rows processed by the fetch or execute call
      ********************************************************************************
      
      SQL ID: 9kcpyjv574vjc Plan Hash: 3617692013
      
      select * from t1 where owner='SYSTEM'
      call     count       cpu    elapsed       disk      query    current        rows
      ------- ------  -------- ---------- ---------- ---------- ----------  ----------
      Parse        1      0.00       0.00          0          1          0           0  
      Execute      1      0.00       0.00          0          0          0           0  
      Fetch       40      0.00       0.01       1065       1106          0         573
      ------- ------  -------- ---------- ---------- ---------- ----------  ----------
      total       42      0.00       0.01       1065       1107          0         573
      
      Misses in library cache during parse: 1
      Optimizer mode: ALL_ROWS
      Parsing user id: 86  (U1)
      Number of plan statistics captured: 1
      
      Rows (1st) Rows (avg) Rows (max)  Row Source Operation
      ---------- ---------- ----------  ---------------------------------------------------
             573        573        573  TABLE ACCESS FULL T1 (cr=1106 pr=1065 pw=0 time=4866 us cost=298 size=71622 card=346)
      
      Rows     Execution Plan
      -------  ---------------------------------------------------
            0  SELECT STATEMENT   MODE: ALL_ROWS
          573   TABLE ACCESS (FULL) OF 'T1' (TABLE)
      復(fù)制代碼

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