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Re: Is it possible to tune this SQL statement?

From: frodo <daniel.crosby_at_freenet.de>
Date: 11 Jan 2006 09:01:49 -0800
Message-ID: <1136997897.521856.94370@f14g2000cwb.googlegroups.com>


Execution Plan


   0      SELECT STATEMENT Optimizer=HINT: RULE (Cost=1522 Card=1 Byte
          s=26)

   1    0   NESTED LOOPS (Cost=1522 Card=1 Bytes=26)
   2    1     VIEW (Cost=1435 Card=1 Bytes=13)
   3    2       SORT (AGGREGATE)
   4    3         VIEW (Cost=1435 Card=1 Bytes=19)
   5    4           SORT (GROUP BY) (Cost=1435 Card=1 Bytes=182)
   6    5             NESTED LOOPS (Cost=1429 Card=1 Bytes=182)
   7    6               NESTED LOOPS (Cost=1429 Card=1 Bytes=156)
   8    7                 HASH JOIN (Cost=35 Card=82 Bytes=6396)
   9    8                   TABLE ACCESS (FULL) OF 'UNDO$' (Cost=17 Ca
          rd=82 Bytes=4264)

  10    8                   TABLE ACCESS (FULL) OF 'TS$' (Cost=17 Card
          =8168 Bytes=212368)

  11    7                 FIXED TABLE (FIXED INDEX) OF 'X$KTFBUE (ind:
          1)' (Cost=17 Card=1 Bytes=78)

  12    6               INDEX (UNIQUE SCAN) OF 'I_FILE2' (UNIQUE)
  13    1     VIEW (Cost=87 Card=1 Bytes=13)
  14   13       SORT (AGGREGATE)
  15   14         NESTED LOOPS (Cost=87 Card=1 Bytes=810)
  16   15           NESTED LOOPS (Cost=70 Card=1 Bytes=513)
  17   16             NESTED LOOPS (Cost=53 Card=1 Bytes=487)
  18   17               HASH JOIN (Cost=36 Card=1 Bytes=190)
  19   18                 NESTED LOOPS (Cost=18 Card=1 Bytes=99)
  20   19                   FIXED TABLE (FULL) OF 'X$KCCTS' (Cost=17 C
          ard=1 Bytes=43)

  21   19                   TABLE ACCESS (BY INDEX ROWID) OF 'TS$' (Co
          st=1 Card=1 Bytes=56)

  22   21                     INDEX (UNIQUE SCAN) OF 'I_TS1' (UNIQUE)
  23   18                 FIXED TABLE (FULL) OF 'X$KCCFE' (Cost=17 Car
          d=1 Bytes=91)

  24   17               FIXED TABLE (FIXED INDEX) OF 'X$KCCFN (ind:1)'
           (Cost=17 Card=1 Bytes=297)

  25   16             FIXED TABLE (FIXED INDEX) OF 'X$KCVFH (ind:1)' (
          Cost=17 Card=1 Bytes=26)

  26   15           FIXED TABLE (FULL) OF 'X$KCCFN' (Cost=17 Card=1 By
          tes=297)





Statistics


       1356  recursive calls
          0  db block gets
        322  consistent gets
         46  physical reads
          0  redo size
        429  bytes sent via SQL*Net to client
        456  bytes received via SQL*Net from client
          1  SQL*Net roundtrips to/from client
          1  sorts (memory)
          0  sorts (disk)
          0  rows processed
Received on Wed Jan 11 2006 - 11:01:49 CST

Original text of this message

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