回答編集履歴
1
調整
test
CHANGED
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@@ -30,9 +30,15 @@
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30
30
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31
31
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(7,3,'2019/03','2019-03-20 03:00:00'),
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32
32
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33
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-
(8,3,'2019/02','2019-02-01 04:00:00')
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33
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+
(8,3,'2019/02','2019-02-01 04:00:00'),
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34
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+
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35
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+
(9,4,'2019/03','2019-04-01 05:00:00'),
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36
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+
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37
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+
(10,5,'2019/03','2019-04-02 06:00:00');
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34
38
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35
39
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```
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40
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+
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41
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+
※insertデータを調整
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36
42
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37
43
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38
44
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@@ -55,3 +61,39 @@
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55
61
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and wk_month='2019/03'
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56
62
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57
63
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```
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64
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+
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65
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+
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66
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+
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67
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+
# 2行以上あるデータのみ
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68
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69
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```SQL
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70
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71
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select * from tbl as t1
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72
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73
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where not exists
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74
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75
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(select 1 from tbl
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76
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77
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where employee_id=t1.employee_id
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78
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+
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79
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and wk_month=t1.wk_month
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80
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+
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81
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and created_at<t1.created_at
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82
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+
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83
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)
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84
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85
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and exists
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86
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87
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(select 1 from tbl
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88
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+
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89
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where employee_id=t1.employee_id
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90
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91
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and wk_month=t1.wk_month
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92
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+
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93
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having count(*)>1
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94
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+
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95
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)
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96
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+
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97
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+
and wk_month='2019/03'
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98
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+
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99
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```
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