回答編集履歴
2
追記
test
CHANGED
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@@ -1,6 +1,58 @@
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こんな感じで。
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```SQL
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with テーブルA as (
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6
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7
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select * from (values
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8
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9
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('2020/01/31', 'A', 9)
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10
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11
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,('2020/02/01', 'A', 7)
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12
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,('2020/02/02', 'A', 2)
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,('2020/02/03', 'A', 4)
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,('2020/02/04', 'A', 2)
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,('2020/02/05', 'A', 3)
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20
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21
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,('2020/01/31', 'B', 1)
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22
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,('2020/02/01', 'B', 2)
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,('2020/02/02', 'B', 2)
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,('2020/02/03', 'B', 1)
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,('2020/02/04', 'B', 6)
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,('2020/02/05', 'B', 1)
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32
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) as w(日付,管理ID,数値A)
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35
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) , テーブルB as (
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select * from (values
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40
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('2020/01/31', 'A', 10)
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,('2020/02/02', 'A', 11)
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,('2020/02/05', 'A', 12)
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,('2020/01/31', 'B', 20)
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,('2020/02/01', 'B', 21)
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,('2020/02/05', 'B', 22)
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52
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) as w(日付,管理ID,数値B)
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)
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select ta.日付, ta.管理id, ta.数値A
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@@ -21,3 +73,89 @@
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from テーブルA ta
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```
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追記
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80
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81
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--
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82
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83
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2つのテーブルの中間テーブルに該当するインラインビューでリレーション
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84
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```SQL
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86
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with テーブルA as (
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88
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89
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select * from (values
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90
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91
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('2020/01/31', 'A', 9)
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92
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93
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,('2020/02/01', 'A', 7)
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94
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95
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,('2020/02/02', 'A', 2)
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96
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,('2020/02/03', 'A', 4)
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98
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99
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,('2020/02/04', 'A', 2)
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,('2020/02/05', 'A', 3)
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103
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,('2020/01/31', 'B', 1)
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105
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,('2020/02/01', 'B', 2)
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106
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107
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,('2020/02/02', 'B', 2)
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108
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,('2020/02/03', 'B', 1)
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110
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111
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,('2020/02/04', 'B', 6)
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113
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,('2020/02/05', 'B', 1)
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114
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115
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) as w(日付,管理ID,数値A)
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116
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117
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118
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) , テーブルB as (
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select * from (values
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('2020/01/31', 'A', 10)
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,('2020/02/02', 'A', 11)
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127
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,('2020/02/05', 'A', 12)
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,('2020/01/31', 'B', 20)
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,('2020/02/01', 'B', 21)
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133
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,('2020/02/05', 'B', 22)
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134
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135
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) as w(日付,管理ID,数値B)
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136
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)
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138
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select ta.日付, ta.管理id, ta.数値A, tb.数値B
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140
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from テーブルA ta
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142
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143
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left join (
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144
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select ta.管理ID, ta.日付 日付A, max(tb.日付) 日付B
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146
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147
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from テーブルA ta inner join テーブルB tb
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148
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149
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on ta.管理ID=tb.管理ID and ta.日付>=tb.日付
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150
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+
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151
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group by ta.管理ID, ta.日付
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152
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+
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153
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) map
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154
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155
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on ta.管理ID=map.管理id and ta.日付=map.日付A
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156
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157
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left join テーブルB tb
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158
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159
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on map.管理id=tb.管理id and map.日付B=tb.日付
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160
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161
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```
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1
訂正
test
CHANGED
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@@ -18,6 +18,6 @@
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18
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19
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) 数値B
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20
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from テーブルA ta
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21
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from テーブルA ta
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22
22
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23
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```
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