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  • 如何驗證SQL PROFILE的性能?(3)

    發表于:2013-10-10來源:IT博客大學習作者:Maclean Liu點擊數: 標簽:SQL PROFILE
    | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ---------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 | 113 | 408 (1)| 00:00:01 |

      | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |

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

      | 0 | SELECT STATEMENT | | 1 | 113 | 408 (1)| 00:00:01 |

      |* 1 | TABLE ACCESS FULL| PROFILE_TEST | 1 | 113 | 408 (1)| 00:00:01 |

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

      Predicate Information (identified by operation id):

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

      1 - filter("OBJECT_ID"=5060)

      Statistics

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

      1 recursive calls

      0 db block gets

      1471 consistent gets

      0 physical reads

      0 redo size

      1779 bytes sent via SQL*Net to client

      543 bytes received via SQL*Net from client

      2 SQL*Net roundtrips to/from client

      0 sorts (memory)

      0 sorts (disk)

      1 rows processed

      以上我們通過sqltune_category將SQL PROFILE的作用域限定在session級別,實現了對SQL PROFILE的性能測試。

    原文轉自:http://blogread.cn/it/article/6041

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