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基于列转行大表的复杂查询优化

横版流程卡优化（复杂SQL的优化），留档

一、横版流程卡原SQL

  1     SELECT SOL.*,para.* FROM
  2     (SELECT
  3     A.SERIAL_NUMBER,
  4     SUM(casewhen B.spc_item='Speed'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Speed ,
  5     SUM(casewhen B.spc_item='Acceleration'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Acceleration ,
  6     SUM(casewhen B.spc_item='Frequency'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Frequency ,
  7     SUM(casewhen B.spc_item='Current'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Current ,
  8     SUM(casewhen B.spc_item='Frequency2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Frequency2 ,
  9     SUM(casewhen B.spc_item='Acceleration2' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Acceleration2 ,
 10     SUM(casewhen B.spc_item='Speed2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.SPC_VALUE ELSE 0end)as LAS1_Speed2,
 11     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then A.update_TIME ELSE NULL end)as LAS1_UPDATETIME,
 12     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS1'then C.TERMINAL_NAME ELSE NULL end)as LAS1_TERMINAL,
 13     SUM(casewhen B.spc_item='Frequency2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Frequency2,
 14     SUM(casewhen B.spc_item='Speed2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Speed2,
 15     SUM(casewhen B.spc_item='Frequency'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Frequency,
 16     SUM(casewhen B.spc_item='Current2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Current2,
 17     SUM(casewhen B.spc_item='Current'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Current,
 18     SUM(casewhen B.spc_item='Acceleration' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Acceleration,
 19     SUM(casewhen B.spc_item='Acceleration2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Acceleration2,
 20     SUM(casewhen B.spc_item='Speed'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.SPC_VALUE ELSE 0END)as LAS2_Speed,
 21     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then A.UPDATE_TIME ELSE NULL end)as LAS2_UPDATETIME,
 22     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS2'then C.TERMINAL_NAME ELSE NULL end)as LAS2_TERMINAL,
 23     SUM(casewhen B.spc_item='Frequency2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Frequency2,
 24     SUM(casewhen B.spc_item='Speed2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Speed2,
 25     SUM(casewhen B.spc_item='Frequency'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Frequency,
 26     SUM(casewhen B.spc_item='Current2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Current2,
 27     SUM(casewhen B.spc_item='Current'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Current,
 28     SUM(casewhen B.spc_item='Acceleration' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Acceleration,
 29     SUM(casewhen B.spc_item='Acceleration2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Acceleration2,
 30     SUM(casewhen B.spc_item='Speed'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.SPC_VALUE ELSE 0END)as LAS3_Speed,
 31     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then A.UPDATE_TIME ELSE NULL end)as LAS3_UPDATETIME,
 32     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS3'then C.TERMINAL_NAME ELSE NULL end)as LAS3_TERMINAL,
 33     SUM(casewhen B.spc_item='Frequency'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then A.SPC_VALUE ELSE 0END)as LAS4_Frequency,
 34     SUM(casewhen B.spc_item='Current'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then A.SPC_VALUE ELSE 0END)as LAS4_Current,
 35     SUM(casewhen B.spc_item='Acceleration' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then A.SPC_VALUE ELSE 0END)as LAS4_Acceleration,
 36     SUM(casewhen B.spc_item='Speed'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then A.SPC_VALUE ELSE 0END)as LAS4_Speed,
 37     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then A.UPDATE_TIME ELSE NULL end)as LAS4_UPDATETIME,
 38     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='LAS4'then C.TERMINAL_NAME ELSE NULL end)as LAS4_TERMINAL,
 39     SUM(casewhen B.spc_item='去離子水電阻率'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_去離子水電阻率",
 40     SUM(casewhen B.spc_item='右側中部溫度(PV2)'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_右側中部溫度(PV2)",
 41     SUM(casewhen B.spc_item='右側後部溫度(PV3)'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_右側後部溫度(PV3)",
 42     SUM(casewhen B.spc_item='左側前部溫度(PV1)'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_左側前部溫度(PV1)",
 43     SUM(casewhen B.spc_item='本底真空度'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_本底真空度",
 44     SUM(casewhen B.spc_item='第二步開始時間' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_第二步開始時間",
 45     SUM(casewhen B.spc_item='腔室內溫度(PV4)'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.SPC_VALUE ELSE 0END)as"PECVD_腔室內溫度(PV4)",
 46     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then A.UPDATE_TIME ELSE NULL end)as PECVD_UPDATETIME,
 47     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PECVD'then C.TERMINAL_NAME ELSE NULL end)as PECVD_TERMINAL,
 48     SUM(casewhen B.spc_item='COUNT'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_COUNT,
 49     SUM(casewhen B.spc_item='HSPEED'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_HSPEED,
 50     SUM(casewhen B.spc_item='LSPEED'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_LSPEED,
 51     SUM(casewhen B.spc_item='T1AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1AR,
 52     SUM(casewhen B.spc_item='T1I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1I,
 53     SUM(casewhen B.spc_item='T1LIFE' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1LIFE,
 54     SUM(casewhen B.spc_item='T1O2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1O2,
 55     SUM(casewhen B.spc_item='T1P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1P,
 56     SUM(casewhen B.spc_item='T1V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T1V,
 57     SUM(casewhen B.spc_item='T2AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2AR,
 58     SUM(casewhen B.spc_item='T2I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2I,
 59     SUM(casewhen B.spc_item='T2LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2LIFE,
 60     SUM(casewhen B.spc_item='T2O2' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2O2,
 61     SUM(casewhen B.spc_item='T2P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2P,
 62     SUM(casewhen B.spc_item='T2V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T2V,
 63     SUM(casewhen B.spc_item='T3AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3AR,
 64     SUM(casewhen B.spc_item='T3I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3I,
 65     SUM(casewhen B.spc_item='T3LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3LIFE,
 66     SUM(casewhen B.spc_item='T3O2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3O2,
 67     SUM(casewhen B.spc_item='T3P' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3P,
 68     SUM(casewhen B.spc_item='T3V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T3V,
 69     SUM(casewhen B.spc_item='T4AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4AR,
 70     SUM(casewhen B.spc_item='T4I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4I,
 71     SUM(casewhen B.spc_item='T4LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4LIFE,
 72     SUM(casewhen B.spc_item='T4O2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4O2,
 73     SUM(casewhen B.spc_item='T4P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4P,
 74     SUM(casewhen B.spc_item='T4V' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T4V,
 75     SUM(casewhen B.spc_item='T5AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T5AR,
 76     SUM(casewhen B.spc_item='T5I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T5I,
 77     SUM(casewhen B.spc_item='T5LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T5LIFE,
 78     SUM(casewhen B.spc_item='T5P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T5P,
 79     SUM(casewhen B.spc_item='T5V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T5V,
 80     SUM(casewhen B.spc_item='T6AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T6AR,
 81     SUM(casewhen B.spc_item='T6I' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T6I,
 82     SUM(casewhen B.spc_item='T6LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T6LIFE,
 83     SUM(casewhen B.spc_item='T6P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T6P,
 84     SUM(casewhen B.spc_item='T6V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T6V,
 85     SUM(casewhen B.spc_item='T7AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T7AR,
 86     SUM(casewhen B.spc_item='T7I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T7I,
 87     SUM(casewhen B.spc_item='T7LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T7LIFE,
 88     SUM(casewhen B.spc_item='T7P' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T7P,
 89     SUM(casewhen B.spc_item='T7V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T7V,
 90     SUM(casewhen B.spc_item='T8AR'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T8AR,
 91     SUM(casewhen B.spc_item='T8I'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T8I,
 92     SUM(casewhen B.spc_item='T8LIFE'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T8LIFE,
 93     SUM(casewhen B.spc_item='T8P'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T8P,
 94     SUM(casewhen B.spc_item='T8V'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_T8V,
 95     SUM(casewhen B.spc_item='j1vacuum' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_j1vacuum,
 96     SUM(casewhen B.spc_item='j2vacuum'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_j2vacuum,
 97     SUM(casewhen B.spc_item='j3vacuum'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_j3vacuum,
 98     SUM(casewhen B.spc_item='j4vacuum'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_j4vacuum,
 99     SUM(casewhen B.spc_item='t1'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t1,
100     SUM(casewhen B.spc_item='t2'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t2,
101     SUM(casewhen B.spc_item='t3'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t3,
102     SUM(casewhen B.spc_item='t4' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t4,
103     SUM(casewhen B.spc_item='t5'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t5,
104     SUM(casewhen B.spc_item='t6'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t6,
105     SUM(casewhen B.spc_item='t7' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t7,
106     SUM(casewhen B.spc_item='t8'and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.SPC_VALUE ELSE 0END)as PVD_t8,
107     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then A.UPDATE_TIME ELSE NULL end)as PVD_UPDATETIME,
108     MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1)='PVD'then C.TERMINAL_NAME ELSE NULL end)as PVD_TERMINAL
109     FROM SAJET.G_SPC A, SAJET.SYS_SPC B, SAJET.SYS_TERMINAL C
110     WHERE B.SPC_ID = A.SPC_ID
111     AND C.TERMINAL_ID = A.TERMINAL_ID
112     AND A.PROCESS_ID NOT IN (100018,100028)
113     AND a.update_time >=sysdate-2
114     GROUP BY A.SERIAL_NUMBER
115     ) para
116     inner join
117     (SELECT C.TERMINAL_NAME,
118     A.SERIAL_NUMBER,
119     A.VOC,
120     A.ISC,
121     A.VPM,
122     A.IPM,
123     A.PM,
124     A.EFF,
125     A.FF,
126     A.RS,
127     A.UPDATE_TIME ,
128     dense_rank() OVER (partition by A.SERIAL_NUMBER ORDER BY A.UPDATE_TIME DESC) rank1
129     FROM SAJET.G_TEST_VALUE_MOT A, SAJET.SYS_TERMINAL C
130     WHERE C.TERMINAL_ID = A.TERMINAL_ID AND C.TERMINAL_NAME LIKE 'CET%'
131     ) SOL
132     on para.SERIAL_NUMBER = SOL.SERIAL_NUMBER
133     WHERE SOL.rank1=1;

二、拆解

可以将此SQL拆开来看，简化后如下：

select max from G_SPC 工艺参数表竖表转横标 group by 序号
inner join
select 芯片测试数据 from G_TEST_VALUE_MOT

典型的列转行再进行join查询，业务端的访问情况：一般会用时间范围做查询条件

以下为2表所占空间,表空间block 为8k

SYS@HEMESDB1(10.1)> select table_name,blocks*8/1024 MB,num_rows from dba_tables where lower(table_name) like '%g_spc%';
TABLE_NAME MB NUM_ROWS
--------------------------------------------------------------------------------
G_SPC 6023.14844 59773957
G_SPC_BOX 0 0
G_SPC_XBRC 0 0
G_SPC_XBSC 0 0
G_SPC_XRMC 0 0
SYS@HEMESDB1(10.1)>
SYS@HEMESDB1(10.1)>
SYS@HEMESDB1(10.1)> select table_name,blocks*8/1024 MB,num_rows from dba_tables where upper(table_name) like '%G_TEST_VALUE_MOT%';
TABLE_NAME MB NUM_ROWS
--------------------------------------------------------------------------------
G_TEST_VALUE_MOT 414.6875 1763297

三、优化思路

很明显，瓶颈在G_SPC表

针对G_SPC并行 parallel 查询（不可行，因为数据库版本为标准版，需要企业版支持）
物化视图（不可行，由于竖表转横表导致复杂查询，物化视图无法快速刷新）
分区表（以周或月的方式将G_SPC分区，使得SQL依照分区进行扫描查询，同样也因为企业版支持受到限制）

用磁盘空间换运行的查询时间，将G_SPC的相关查询作为中间表，定期 insert then update的方式更新，这样即可将查询逻辑简化为2表关联。

四、过程

create table as 复杂查询，创建中间表，创建对应索引
创建对应的作业，进行merge的操作，定期更新中间表
修改对应程序，使其关联中间表

/*第一部分先创建一个基表 */

  1 ALTER session set workarea_size_policy=manual;
  2 ALTER session set workarea_size_policy=manual;
  3 ALTER session set sort_area_size=214683648;
  4 ALTER session set sort_area_size=214683648;
  5 ALTER session set sort_area_retained_size=214683648;
  6 ALTER session set sort_area_retained_size=214683648;
  7 ALTER session set db_file_multiblock_read_count=256;
  8 ALTER session set db_file_multiblock_read_count=256;
  9 CREATE TABLE sajet.MMV_SPC_FLOW_QUERY1 nologging AS 
 10 SELECT  
 11       A.SERIAL_NUMBER,
 12       SUM(case when B.spc_item='Speed'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Speed          ,
 13       SUM(case when B.spc_item='Acceleration'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Acceleration  ,
 14       SUM(case when B.spc_item='Frequency'     and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Frequency      ,
 15       SUM(case when B.spc_item='Current'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Current      ,
 16       SUM(case when B.spc_item='Frequency2'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Frequency2  , 
 17       SUM(case when B.spc_item='Acceleration2' AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Acceleration2 ,
 18       SUM(case when B.spc_item='Speed2'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Speed2,
 19       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.update_TIME ELSE NULL end ) as LAS1_UPDATETIME,
 20       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then C.TERMINAL_NAME ELSE NULL end ) as LAS1_TERMINAL,      
 21       SUM(case when B.spc_item='Frequency2'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Frequency2,                                     
 22       SUM(case when B.spc_item='Speed2'          and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Speed2,                                         
 23       SUM(case when B.spc_item='Frequency'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Frequency,                                      
 24       SUM(case when B.spc_item='Current2'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Current2,                                       
 25       SUM(case when B.spc_item='Current'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Current,                                        
 26       SUM(case when B.spc_item='Acceleration'    AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Acceleration,                                   
 27       SUM(case when B.spc_item='Acceleration2'   and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Acceleration2,                                  
 28       SUM(case when B.spc_item='Speed'           and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.SPC_VALUE ELSE 0 END ) as LAS2_Speed,      
 29       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then A.UPDATE_TIME ELSE NULL end ) as LAS2_UPDATETIME,
 30       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS2' then C.TERMINAL_NAME ELSE NULL end ) as LAS2_TERMINAL,
 31       SUM(case when B.spc_item='Frequency2'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Frequency2,                                     
 32       SUM(case when B.spc_item='Speed2'          and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Speed2,                                         
 33       SUM(case when B.spc_item='Frequency'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Frequency,                                      
 34       SUM(case when B.spc_item='Current2'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Current2,                                       
 35       SUM(case when B.spc_item='Current'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Current,                                        
 36       SUM(case when B.spc_item='Acceleration'    AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Acceleration,                                   
 37       SUM(case when B.spc_item='Acceleration2'   and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Acceleration2,                                  
 38       SUM(case when B.spc_item='Speed'           and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.SPC_VALUE ELSE 0 END ) as LAS3_Speed,      
 39       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then A.UPDATE_TIME ELSE NULL end ) as LAS3_UPDATETIME,
 40       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS3' then C.TERMINAL_NAME ELSE NULL end ) as LAS3_TERMINAL,
 41       SUM(case when B.spc_item='Frequency'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then A.SPC_VALUE ELSE 0 END ) as LAS4_Frequency,                                                                          
 42       SUM(case when B.spc_item='Current'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then A.SPC_VALUE ELSE 0 END ) as LAS4_Current,                                        
 43       SUM(case when B.spc_item='Acceleration'    AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then A.SPC_VALUE ELSE 0 END ) as LAS4_Acceleration,                                   
 44       SUM(case when B.spc_item='Speed'           and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then A.SPC_VALUE ELSE 0 END ) as LAS4_Speed,      
 45       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then A.UPDATE_TIME ELSE NULL end ) as LAS4_UPDATETIME,
 46       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS4' then C.TERMINAL_NAME ELSE NULL end ) as LAS4_TERMINAL,
 47       SUM(case when B.spc_item='去離子水電阻率'     and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_去離子水電阻率",      
 48       SUM(case when B.spc_item='右側中部溫度(PV2)'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_右側中部溫度(PV2)",   
 49       SUM(case when B.spc_item='右側後部溫度(PV3)'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_右側後部溫度(PV3)",   
 50       SUM(case when B.spc_item='左側前部溫度(PV1)'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_左側前部溫度(PV1)",   
 51       SUM(case when B.spc_item='本底真空度'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_本底真空度",          
 52       SUM(case when B.spc_item='第二步開始時間'     AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_第二步開始時間",      
 53       SUM(case when B.spc_item='腔室內溫度(PV4)'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.SPC_VALUE ELSE 0 END ) as "PECVD_腔室內溫度(PV4)",
 54       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then A.UPDATE_TIME ELSE NULL end ) as PECVD_UPDATETIME,      
 55       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PECVD' then C.TERMINAL_NAME ELSE NULL end ) as PECVD_TERMINAL,
 56       SUM(case when B.spc_item='COUNT'     and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_COUNT,                 
 57       SUM(case when B.spc_item='HSPEED'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_HSPEED,                
 58       SUM(case when B.spc_item='LSPEED'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_LSPEED,                
 59       SUM(case when B.spc_item='T1AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1AR,                  
 60       SUM(case when B.spc_item='T1I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1I,                   
 61       SUM(case when B.spc_item='T1LIFE'    AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1LIFE,                
 62       SUM(case when B.spc_item='T1O2'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1O2,                  
 63       SUM(case when B.spc_item='T1P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1P,                   
 64       SUM(case when B.spc_item='T1V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T1V,                   
 65       SUM(case when B.spc_item='T2AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2AR,                  
 66       SUM(case when B.spc_item='T2I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2I,                   
 67       SUM(case when B.spc_item='T2LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2LIFE,                
 68       SUM(case when B.spc_item='T2O2'      AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2O2,                  
 69       SUM(case when B.spc_item='T2P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2P,                   
 70       SUM(case when B.spc_item='T2V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T2V,                   
 71       SUM(case when B.spc_item='T3AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3AR,                  
 72       SUM(case when B.spc_item='T3I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3I,                   
 73       SUM(case when B.spc_item='T3LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3LIFE,                
 74       SUM(case when B.spc_item='T3O2'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3O2,                  
 75       SUM(case when B.spc_item='T3P'       AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3P,                   
 76       SUM(case when B.spc_item='T3V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T3V,                   
 77       SUM(case when B.spc_item='T4AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4AR,                  
 78       SUM(case when B.spc_item='T4I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4I,                   
 79       SUM(case when B.spc_item='T4LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4LIFE,                
 80       SUM(case when B.spc_item='T4O2'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4O2,                  
 81       SUM(case when B.spc_item='T4P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4P,                   
 82       SUM(case when B.spc_item='T4V'       AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T4V,                   
 83       SUM(case when B.spc_item='T5AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T5AR,                  
 84       SUM(case when B.spc_item='T5I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T5I,                   
 85       SUM(case when B.spc_item='T5LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T5LIFE,                
 86       SUM(case when B.spc_item='T5P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T5P,                   
 87       SUM(case when B.spc_item='T5V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T5V,                   
 88       SUM(case when B.spc_item='T6AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T6AR,                  
 89       SUM(case when B.spc_item='T6I'       AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T6I,                   
 90       SUM(case when B.spc_item='T6LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T6LIFE,                
 91       SUM(case when B.spc_item='T6P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T6P,                   
 92       SUM(case when B.spc_item='T6V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T6V,                   
 93       SUM(case when B.spc_item='T7AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T7AR,                  
 94       SUM(case when B.spc_item='T7I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T7I,                   
 95       SUM(case when B.spc_item='T7LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T7LIFE,                
 96       SUM(case when B.spc_item='T7P'       AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T7P,                   
 97       SUM(case when B.spc_item='T7V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T7V,                   
 98       SUM(case when B.spc_item='T8AR'      and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T8AR,                  
 99       SUM(case when B.spc_item='T8I'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T8I,                   
100       SUM(case when B.spc_item='T8LIFE'    and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T8LIFE,                
101       SUM(case when B.spc_item='T8P'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T8P,                   
102       SUM(case when B.spc_item='T8V'       and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_T8V,                   
103       SUM(case when B.spc_item='j1vacuum'  AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_j1vacuum,              
104       SUM(case when B.spc_item='j2vacuum'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_j2vacuum,              
105       SUM(case when B.spc_item='j3vacuum'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_j3vacuum,              
106       SUM(case when B.spc_item='j4vacuum'  and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_j4vacuum,              
107       SUM(case when B.spc_item='t1'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t1,                    
108       SUM(case when B.spc_item='t2'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t2,                    
109       SUM(case when B.spc_item='t3'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t3,                    
110       SUM(case when B.spc_item='t4'        AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t4,                    
111       SUM(case when B.spc_item='t5'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t5,                    
112       SUM(case when B.spc_item='t6'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t6,                    
113       SUM(case when B.spc_item='t7'        AND SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t7,                    
114       SUM(case when B.spc_item='t8'        and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.SPC_VALUE ELSE 0 END ) as  PVD_t8,
115       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then A.UPDATE_TIME ELSE NULL end ) as PVD_UPDATETIME,
116       MAX(case WHEN SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='PVD' then C.TERMINAL_NAME ELSE NULL end ) as PVD_TERMINAL
117   FROM SAJET.G_SPC A, SAJET.SYS_SPC B, SAJET.SYS_TERMINAL C
118 WHERE B.SPC_ID = A.SPC_ID
119     AND C.TERMINAL_ID = A.TERMINAL_ID
120     AND A.PROCESS_ID NOT IN (100018, 100028)
121   GROUP BY A.SERIAL_NUMBER;  
122 commit;

alter table SAJET.MMV_SPC_FLOW_QUERY1 add constraint PK_MMV_SPC_QRY_SN primary key (SERIAL_NUMBER);

/*创建索引的方式，可以将以上的分解为如下三步骤，用nologging 与online +并行的方式，并行需要企业版支持*/

CREATE UNIQUE INDEX SAJET.PK_MMV_SPC_QRY_SN ON SAJET.MMV_SPC_FLOW_QUERY1(SERIAL_NUMBER) parallel(degree 12) ONLINE NOLOGGING;

ALTER TABLE SAJET.MMV_SPC_FLOW_QUERY1 ADD CONSTRAINT PK_MMV_SPC_QRY_SN PRIMARY KEY (SERIAL_NUMBER) enable novalidate;

alter TABLE SAJET.MMV_SPC_FLOW_QUERY1 modify constraint PK_MMV_SPC_QRY_SN enable validate;

/*进行merge的操作，定期更新中间表，merge的量为sysdate-2 两天*/

  MERGE INTO sajet.MMV_SPC_FLOW_QUERY1 f_tb
  USING
  (
  SELECT
        A.SERIAL_NUMBER,
        SUM(case when B.spc_item='Speed'         and SUBSTR(C.TERMINAL_NAME,1,INSTR(C.TERMINAL_NAME,'-',1,1)-1) ='LAS1' then A.SPC_VALUE  ELSE 0 end ) as LAS1_Speed          ,
        /*省去列转行这部分*/
    FROM SAJET.G_SPC A, SAJET.SYS_SPC B, SAJET.SYS_TERMINAL C
  WHERE B.SPC_ID = A.SPC_ID
      AND C.TERMINAL_ID = A.TERMINAL_ID
      AND A.PROCESS_ID NOT IN (100018, 100028)
      AND EXISTS(SELECT * FROM sajet.g_spc g_spc WHERE g_spc.UPDATE_TIME >= SYSDATE-2 AND g_spc.serial_number=a.serial_number) /*两天的merge 增量*/ 
      AND A.SERIAL_NUMBER LIKE 'HE%'
    GROUP BY A.SERIAL_NUMBER
  ) final_tb
  on
  (f_tb.SERIAL_NUMBER = final_tb.SERIAL_NUMBER)
  WHEN MATCHED THEN
    UPDATE SET
       f_tb.LAS1_SPEED                  = final_tb.LAS1_SPEED
      ,f_tb.LAS1_ACCELERATION           = final_tb.LAS1_ACCELERATION
      ,f_tb.LAS1_FREQUENCY              = final_tb.LAS1_FREQUENCY
      ,f_tb.LAS1_CURRENT                = final_tb.LAS1_CURRENT
      ,f_tb.LAS1_FREQUENCY2             = final_tb.LAS1_FREQUENCY2
      ,f_tb.LAS1_ACCELERATION2          = final_tb.LAS1_ACCELERATION2
      ,f_tb.LAS1_SPEED2                 = final_tb.LAS1_SPEED2
      ,f_tb.LAS1_UPDATETIME             = final_tb.LAS1_UPDATETIME
      ,f_tb.LAS1_TERMINAL               = final_tb.LAS1_TERMINAL
      ,f_tb.LAS2_FREQUENCY2             = final_tb.LAS2_FREQUENCY2
      ,f_tb.LAS2_SPEED2                 = final_tb.LAS2_SPEED2
      ,f_tb.LAS2_FREQUENCY              = final_tb.LAS2_FREQUENCY
      ,f_tb.LAS2_CURRENT2               = final_tb.LAS2_CURRENT2
      ,f_tb.LAS2_CURRENT                = final_tb.LAS2_CURRENT
      ,f_tb.LAS2_ACCELERATION           = final_tb.LAS2_ACCELERATION
      ,f_tb.LAS2_ACCELERATION2          = final_tb.LAS2_ACCELERATION2
      ,f_tb.LAS2_SPEED                  = final_tb.LAS2_SPEED
      ,f_tb.LAS2_UPDATETIME             = final_tb.LAS2_UPDATETIME
      ,f_tb.LAS2_TERMINAL               = final_tb.LAS2_TERMINAL
      ,f_tb.LAS3_FREQUENCY2             = final_tb.LAS3_FREQUENCY2
      ,f_tb.LAS3_SPEED2                 = final_tb.LAS3_SPEED2
      ,f_tb.LAS3_FREQUENCY              = final_tb.LAS3_FREQUENCY
      ,f_tb.LAS3_CURRENT2               = final_tb.LAS3_CURRENT2
      ,f_tb.LAS3_CURRENT                = final_tb.LAS3_CURRENT
      ,f_tb.LAS3_ACCELERATION           = final_tb.LAS3_ACCELERATION
      ,f_tb.LAS3_ACCELERATION2          = final_tb.LAS3_ACCELERATION2
      ,f_tb.LAS3_SPEED                  = final_tb.LAS3_SPEED
      ,f_tb.LAS3_UPDATETIME             = final_tb.LAS3_UPDATETIME
      ,f_tb.LAS3_TERMINAL               = final_tb.LAS3_TERMINAL
      ,f_tb.LAS4_FREQUENCY              = final_tb.LAS4_FREQUENCY
      ,f_tb.LAS4_CURRENT                = final_tb.LAS4_CURRENT
      ,f_tb.LAS4_ACCELERATION           = final_tb.LAS4_ACCELERATION
      ,f_tb.LAS4_SPEED                  = final_tb.LAS4_SPEED
      ,f_tb.LAS4_UPDATETIME             = final_tb.LAS4_UPDATETIME
      ,f_tb.LAS4_TERMINAL               = final_tb.LAS4_TERMINAL
      ,f_tb."PECVD_去離子水電阻率"      = final_tb."PECVD_去離子水電阻率"
      ,f_tb."PECVD_右側中部溫度(PV2)"   = final_tb."PECVD_右側中部溫度(PV2)"
      ,f_tb."PECVD_右側後部溫度(PV3)"   = final_tb."PECVD_右側後部溫度(PV3)"
      ,f_tb."PECVD_左側前部溫度(PV1)"   = final_tb."PECVD_左側前部溫度(PV1)"
      ,f_tb."PECVD_本底真空度"          = final_tb."PECVD_本底真空度"
      ,f_tb."PECVD_第二步開始時間"      = final_tb."PECVD_第二步開始時間"
      ,f_tb."PECVD_腔室內溫度(PV4)"     = final_tb."PECVD_腔室內溫度(PV4)"
      ,f_tb.PECVD_UPDATETIME            = final_tb.PECVD_UPDATETIME
      ,f_tb.PECVD_TERMINAL              = final_tb.PECVD_TERMINAL
      ,f_tb.PVD_COUNT                   = final_tb.PVD_COUNT
      ,f_tb.PVD_HSPEED                  = final_tb.PVD_HSPEED
      ,f_tb.PVD_LSPEED                  = final_tb.PVD_LSPEED
      ,f_tb.PVD_T1AR                    = final_tb.PVD_T1AR
      ,f_tb.PVD_T1I                     = final_tb.PVD_T1I
      ,f_tb.PVD_T1LIFE                  = final_tb.PVD_T1LIFE
      ,f_tb.PVD_T1O2                    = final_tb.PVD_T1O2
      ,f_tb.PVD_T1P                     = final_tb.PVD_T1P
      ,f_tb.PVD_T1V                     = final_tb.PVD_T1V
      ,f_tb.PVD_T2AR                    = final_tb.PVD_T2AR
      ,f_tb.PVD_T2I                     = final_tb.PVD_T2I
      ,f_tb.PVD_T2LIFE                  = final_tb.PVD_T2LIFE
      ,f_tb.PVD_T2O2                    = final_tb.PVD_T2O2
      ,f_tb.PVD_T2P                     = final_tb.PVD_T2P
      ,f_tb.PVD_T2V                     = final_tb.PVD_T2V
      ,f_tb.PVD_T3AR                    = final_tb.PVD_T3AR
      ,f_tb.PVD_T3I                     = final_tb.PVD_T3I
      ,f_tb.PVD_T3LIFE                  = final_tb.PVD_T3LIFE
      ,f_tb.PVD_T3O2                    = final_tb.PVD_T3O2
      ,f_tb.PVD_T3P                     = final_tb.PVD_T3P
      ,f_tb.PVD_T3V                     = final_tb.PVD_T3V
      ,f_tb.PVD_T4AR                    = final_tb.PVD_T4AR
      ,f_tb.PVD_T4I                     = final_tb.PVD_T4I
      ,f_tb.PVD_T4LIFE                  = final_tb.PVD_T4LIFE
      ,f_tb.PVD_T4O2                    = final_tb.PVD_T4O2
      ,f_tb.PVD_T4P                     = final_tb.PVD_T4P
      ,f_tb.PVD_T4V                     = final_tb.PVD_T4V
      ,f_tb.PVD_T5AR                    = final_tb.PVD_T5AR
      ,f_tb.PVD_T5I                     = final_tb.PVD_T5I
      ,f_tb.PVD_T5LIFE                  = final_tb.PVD_T5LIFE
      ,f_tb.PVD_T5P                     = final_tb.PVD_T5P
      ,f_tb.PVD_T5V                     = final_tb.PVD_T5V
      ,f_tb.PVD_T6AR                    = final_tb.PVD_T6AR
      ,f_tb.PVD_T6I                     = final_tb.PVD_T6I
      ,f_tb.PVD_T6LIFE                  = final_tb.PVD_T6LIFE
      ,f_tb.PVD_T6P                     = final_tb.PVD_T6P
      ,f_tb.PVD_T6V                     = final_tb.PVD_T6V
      ,f_tb.PVD_T7AR                    = final_tb.PVD_T7AR
      ,f_tb.PVD_T7I                     = final_tb.PVD_T7I
      ,f_tb.PVD_T7LIFE                  = final_tb.PVD_T7LIFE
      ,f_tb.PVD_T7P                     = final_tb.PVD_T7P
      ,f_tb.PVD_T7V                     = final_tb.PVD_T7V
      ,f_tb.PVD_T8AR                    = final_tb.PVD_T8AR
      ,f_tb.PVD_T8I                     = final_tb.PVD_T8I
      ,f_tb.PVD_T8LIFE                  = final_tb.PVD_T8LIFE
      ,f_tb.PVD_T8P                     = final_tb.PVD_T8P
      ,f_tb.PVD_T8V                     = final_tb.PVD_T8V
      ,f_tb.PVD_J1VACUUM                = final_tb.PVD_J1VACUUM
      ,f_tb.PVD_J2VACUUM                = final_tb.PVD_J2VACUUM
      ,f_tb.PVD_J3VACUUM                = final_tb.PVD_J3VACUUM
      ,f_tb.PVD_J4VACUUM                = final_tb.PVD_J4VACUUM
      ,f_tb.PVD_T1                      = final_tb.PVD_T1
      ,f_tb.PVD_T2                      = final_tb.PVD_T2
      ,f_tb.PVD_T3                      = final_tb.PVD_T3
      ,f_tb.PVD_T4                      = final_tb.PVD_T4
      ,f_tb.PVD_T5                      = final_tb.PVD_T5
      ,f_tb.PVD_T6                      = final_tb.PVD_T6
      ,f_tb.PVD_T7                      = final_tb.PVD_T7
      ,f_tb.PVD_T8                      = final_tb.PVD_T8
      ,f_tb.PVD_UPDATETIME              = final_tb.PVD_UPDATETIME
      ,f_tb.PVD_TERMINAL                = final_tb.PVD_TERMINAL
  WHEN NOT MATCHED THEN
    INSERT
      (  f_tb.serial_number
         /*省略字段部分*/
      )
    values
      (  final_tb.serial_number
         /*省略字段部分*/
      );

/*将merge语句创建存储过程*/

CREATE OR REPLACE PROCEDURE Refresh_MMV_SPC_FLOW_QUERY1(Flag IN NUMBER) IS

TmpVar NUMBER;

I INT;

BEGIN

/*把刚才的存储过程，并加入job定期执行即可。*/

/*比如，可以定期每30分钟执行一次*/

commit;

END;

最后更改横版流程卡程序里的SQL，套用中间表即可 MMV_SPC_FLOW_QUERY1

    SELECT cvd_m.*,para.*,SOL.* FROM
    (
    SELECT
    A.PECVD_RECID,
    A.UNLOAD_START_DATE,
    B.MACHINE_DESC2 AS PEB_MACHINE_ID,
    C.MACHINE_DESC2 AS WSHA_MACHINE_ID,
    D.MACHINE_DESC2 AS PHF_MACHINE_ID,
    E.MACHINE_DESC2 AS PE_MACHINE_ID,
    A.WSHA_START_DATE,
    A.WSHA_END_DATE,
    A.PHF_START_DATE,
    A.PHF_END_DATE,
    A.PHF_TEMPER,
    A.PE_START_DATE,
    A.PE_END_DATE,
    A.ITEM_1,
    A.ITEM_2,
    A.ITEM_3,
    A.ITEM_4,
    A.ITEM_5,
    A.ITEM_6,
    A.ITEM_7,
    A.Item_9,
    A.Item_10,
    A.Machine_Date,
    A.Machine_No,
    A.Machine_Seq,
    F.EMP_NAME,
    A.Update_Time,
    A.Used_Count
    FROM SAJET.APOLLO_PECVD_DATA A,
    SAJET.SYS_MACHINE B,
    SAJET.SYS_MACHINE C,
    SAJET.SYS_MACHINE D,
    SAJET.SYS_MACHINE E,
    SAJET.SYS_EMP F
    WHERE A.PEB_MACHINE_ID = B.MACHINE_ID
    AND A.WSHA_MACHINE_ID = C.MACHINE_ID
    AND A.PHF_MACHINE_ID = D.MACHINE_ID
    AND A.PE_MACHINE_ID = E.MACHINE_ID
    AND A.ITEM_8 = F.EMP_ID
    )cvd_m
    INNER JOIN sajet.apollo_pecvd_sn cvd_s ON cvd_m.pecvd_recid = cvd_s.pecvd_recid
    LEFT JOIN
    (SELECT
    CC.TERMINAL_NAME,
    AA.SERIAL_NUMBER,
    AA.VOC,
    AA.ISC,
    AA.VPM,
    AA.IPM,
    AA.PM,
    AA.EFF,
    AA.FF,
    AA.RS,
    AA.UPDATE_TIME ,
    dense_rank() OVER (partition by AA.SERIAL_NUMBER ORDER BY AA.UPDATE_TIME DESC) rank1
    FROM SAJET.G_TEST_VALUE_MOT AA, SAJET.SYS_TERMINAL CC
    WHERE CC.TERMINAL_ID = AA.TERMINAL_ID AND CC.TERMINAL_NAME LIKE 'CET%'
    ) SOL on cvd_s.SERIAL_NUMBER = SOL.SERIAL_NUMBER
    LEFT JOIN Sajet.MMV_SPC_FLOW_QUERY1 para ON para.serial_number=cvd_s.serial_number
    WHERE SOL.rank1=1
    [AND cvd_m.update_time BETWEEN :PARAM1]
    ORDER BY cvd_m.update_time ASC

涉及140余字段，2000+行的查询结果量，优化前后为100+秒至10秒内。

后续的数据量如果还有进一步的提升，还可以用通用的优化手段：

针对大型的列转行的源表，按时间对表进行分区
物化视图，关联最后的结果集。同时可以进行并行的物化视图刷新，写进job里依照顺序执行。并行刷新部分可以参考：MV_Refresh_Parallel.pdf

Over.

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原文地址：https://www.cnblogs.com/dap570/p/oracle_big_query_tuning.html