oracle主键逻辑读高,AWR高逻辑读问题~~~~~

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已经匿名di用户   2022-5-29 19:34   1996   0

9 Plan hash value: 3590980838

10

11 -----------------------------------------------------------------------------------------------------------------------------------------------------------

12 | Id | Operation | Name | E-Rows |E-Bytes| Cost (%CPU)| E-Time | Pstart| Pstop | OMem | 1Mem | Used-Mem |

13 -----------------------------------------------------------------------------------------------------------------------------------------------------------

14 | 0 | SELECT STATEMENT | | | | 10 (100)| | | | | | |

15 | 1 | SORT AGGREGATE | | 1 | | | | | | | | |

16 | 2 | VIEW | VM_NWVW_0 | 2 | | 10 (10)| 00:00:01 | | | | | |

17 | 3 | HASH GROUP BY | | 2 | 388 | 10 (10)| 00:00:01 | | | 788K| 788K| |

18 | 4 | NESTED LOOPS | | 2 | 388 | 9 (0)| 00:00:01 | | | | | |

19 | 5 | NESTED LOOPS | | 2 | 388 | 9 (0)| 00:00:01 | | | | | |

20 |* 6 | TABLE ACCESS BY GLOBAL INDEX ROWID| CCPS_CREDITINFO | 2 | 300 | 6 (0)| 00:00:01 | ROWID | ROWID | | | |

21 |* 7 | INDEX RANGE SCAN | IX_CI_EMAIL | 2 | | 3 (0)| 00:00:01 | | | | | |

22 |* 8 | INDEX UNIQUE SCAN | PK_CCPS_TRADERECORD | 1 | | 1 (0)| 00:00:01 | | | | | |

23 |* 9 | TABLE ACCESS BY GLOBAL INDEX ROWID | CCPS_TRADERECORD | 1 | 44 | 2 (0)| 00:00:01 | ROWID | ROWID | | | |

24 -----------------------------------------------------------------------------------------------------------------------------------------------------------

25

26 Query Block Name / Object Alias (identified by operation id):

27 -------------------------------------------------------------

28

29 1 - SEL$DD8D4BD4

30 2 - SEL$3DD9CB74 / VM_NWVW_0@SEL$DD8D4BD4

31 3 - SEL$3DD9CB74

32 6 - SEL$3DD9CB74 / CC@SEL$2

33 7 - SEL$3DD9CB74 / CC@SEL$2

34 8 - SEL$3DD9CB74 / T@SEL$2

35 9 - SEL$3DD9CB74 / T@SEL$2

36

37 Peeked Binds (identified by position):

38 --------------------------------------

39

40 1 - (NUMBER): 720

41 2 - (VARCHAR2(30), CSID=873): '170655'

42 3 - (VARCHAR2(30), CSID=873): '1633660361@bigo.tv'

43 4 - (VARCHAR2(30), CSID=873): '0a43f0c85b9106b65204ee6ec3ccec198aa297b0d8c80388dab8eb3c3067844776b70a82bd862a80ccf1cc658502f8367d2030d2c502869f4a26a496

44 fd14e8e3966616a98853764be00cfff364c1d41a'

45

46 Predicate Information (identified by operation id):

47 ---------------------------------------------------

48

49 6 - filter("CC"."CI_SHA256"<>SYS_OP_C2C(:4))

50 7 - access("CC"."CI_EMAIL"=SYS_OP_C2C(:3))

51 8 - access("T"."TR_NO"="CC"."CI_TR_NO")

52 9 - filter(("T"."TR_MER_NO"=TO_NUMBER(:2) AND "T"."TR_PM_ID"=1 AND "T"."TR_IS_REPAY"<=1 AND "T"."TR_DATETIME">=SYSDATE@!-:1/24))

53

54 Note

55 -----

56 - Warning: basic plan statistics not available. These are only collected when:

57 * hint 'gather_plan_statistics' is used for the statement or

58 * parameter 'statistics_level' is set to 'ALL', at session or system level

59

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