回答編集履歴
1
削除用SQLを追記
test
CHANGED
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@@ -63,3 +63,85 @@
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63
63
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id1, id2;
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64
64
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65
65
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```
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66
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+
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67
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+
---
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68
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+
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69
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+
追記：
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70
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+
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71
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+
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72
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+
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73
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+
削除まで一気にやるとするならこうでしょうか。
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74
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+
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75
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+
```
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76
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+
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77
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DELETE
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78
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+
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79
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FROM
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80
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+
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81
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+
nayose_otameshi
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82
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+
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83
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WHERE
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84
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+
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85
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nayose_otameshi.id IN (
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86
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+
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87
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SELECT
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88
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+
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89
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tmp.id
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90
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+
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91
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FROM
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92
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+
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93
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(
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94
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+
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95
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SELECT
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96
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+
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97
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r2.id
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98
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+
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99
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FROM
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100
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+
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101
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(
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102
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+
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103
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SELECT
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104
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+
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105
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MIN(id) id
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106
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+
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107
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+
, first_name_kana
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108
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+
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109
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, last_name_kana
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110
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+
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111
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, phone_number
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112
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+
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113
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, city
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114
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+
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115
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FROM
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116
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+
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117
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+
nayose_otameshi
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118
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+
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119
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GROUP BY
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120
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+
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121
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first_name_kana
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122
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+
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123
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+
, last_name_kana
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124
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+
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125
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, phone_number
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126
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+
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127
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, city
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128
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+
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129
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) r1
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130
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+
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131
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INNER JOIN nayose_otameshi r2
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132
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+
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133
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ON r1.first_name_kana = r2.first_name_kana
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134
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+
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135
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AND r1.last_name_kana = r2.last_name_kana
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136
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+
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137
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AND r1.phone_number = r2.phone_number
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138
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+
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139
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AND r1.city = r2.city
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140
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+
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141
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AND r1.id < r2.id
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142
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+
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143
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) as tmp
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144
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+
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145
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+
);
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146
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+
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147
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+
```
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