回答編集履歴
6
訂正
test
CHANGED
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@@ -58,7 +58,7 @@
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58
58
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59
59
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```SQL
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60
60
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61
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-
select T_Customer.*, Nz(sum_Slip.件数) as 件数
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61
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+
select T_Customer.*, Nz(sum_Slip.件数, 0) as 件数
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62
62
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63
63
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from T_Customer left join (
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64
64
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5
追記
test
CHANGED
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@@ -58,7 +58,7 @@
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58
58
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59
59
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```SQL
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60
60
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61
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-
select T_Customer.*, sum_Slip.件数
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61
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+
select T_Customer.*, Nz(sum_Slip.件数) as 件数
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62
62
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63
63
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from T_Customer left join (
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64
64
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4
追記
test
CHANGED
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@@ -49,3 +49,29 @@
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49
49
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on t1.顧客番号=t2.顧客番号
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50
50
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51
51
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```
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52
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+
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53
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+
追記
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54
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+
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55
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+
--
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56
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+
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57
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+
SQLビューにして貼り付けて下さい。
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58
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+
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59
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+
```SQL
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60
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+
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61
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+
select T_Customer.*, sum_Slip.件数
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62
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+
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63
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+
from T_Customer left join (
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64
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+
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65
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+
select F_CustomerCode, count(*) as 件数
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66
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+
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67
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+
from T_Slip inner join T_SlipDetail on T_Slip.F_SlipCode=T_SlipDetail.F_SlipCode
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68
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+
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69
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+
group by F_CustomerCode
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70
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+
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71
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+
) as sum_Slip
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72
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+
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73
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+
on T_Customer.F_CustomerCode=sum_Slip.F_CustomerCode
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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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+
クエリーデザインで見える状態で行いたい場合は、sum_Slip部分を別クエリーにして下さい。
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3
訂正
test
CHANGED
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@@ -34,7 +34,7 @@
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34
34
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35
35
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36
36
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37
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-
T_Slip
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37
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+
T_SlipDetailを集計したものと結合する方法もあります
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38
38
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39
39
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```SQL
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40
40
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2
変更
test
CHANGED
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@@ -4,7 +4,7 @@
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4
4
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5
5
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select 顧客番号, count(*)
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6
6
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7
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-
from T_Slip
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7
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+
from T_SlipDetail
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8
8
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9
9
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group by 顧客番号
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10
10
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@@ -16,7 +16,7 @@
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16
16
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17
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```SQL
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18
18
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19
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-
select t1.*, (select count(*) from T_Slip
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19
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+
select t1.*, (select count(*) from T_SlipDetail where 顧客番号=t1.顧客番号) as 件数
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20
20
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21
21
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from 基準のテーブル t1
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22
22
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@@ -26,7 +26,7 @@
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26
26
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27
27
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```SQL
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28
28
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29
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-
select t1.*, DCount('*', 'T_Slip', '顧客番号=' & 顧客番号) as 件数
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29
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+
select t1.*, DCount('*', 'T_SlipDetail', '顧客番号=' & 顧客番号) as 件数
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30
30
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31
31
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from 基準のテーブル
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32
32
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@@ -42,7 +42,7 @@
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42
42
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43
43
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from 基準のテーブル t1 left join (
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44
44
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45
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-
select 顧客番号, count(*) as 件数 from T_Slip group by 顧客番号
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45
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+
select 顧客番号, count(*) as 件数 from T_SlipDetail group by 顧客番号
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46
46
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47
47
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) as t2
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48
48
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1
推敲
test
CHANGED
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@@ -9,6 +9,10 @@
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9
9
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group by 顧客番号
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10
10
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11
11
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```
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12
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+
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13
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+
--
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14
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+
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15
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+
基準のテーブルなどにサブクエリーを使用する。
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12
16
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13
17
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```SQL
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14
18
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@@ -27,3 +31,21 @@
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27
31
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from 基準のテーブル
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28
32
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29
33
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```
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34
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+
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35
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+
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36
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+
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37
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+
T_Slip を集計したものと結合する方法もあります
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38
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+
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39
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+
```SQL
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40
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+
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41
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+
select t1.*, t2.件数
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42
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+
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43
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+
from 基準のテーブル t1 left join (
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44
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+
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45
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+
select 顧客番号, count(*) as 件数 from T_Slip group by 顧客番号
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46
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+
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47
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+
) as t2
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48
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+
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49
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+
on t1.顧客番号=t2.顧客番号
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50
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+
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51
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+
```
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