回答編集履歴
2
typo
test
CHANGED
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@@ -50,7 +50,7 @@
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50
50
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51
51
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select id from tbl group by id
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52
52
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53
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-
having sum(yasai='きゅうり')
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53
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+
having sum(yasai='きゅうり')>0
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54
54
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55
55
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and sum(yasai!='きゅうり')=0
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56
56
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1
追記
test
CHANGED
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@@ -24,7 +24,11 @@
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24
24
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25
25
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(5,'きゃべつ'),
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26
26
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27
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-
(6,'きゅうり')
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27
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+
(6,'きゅうり'),
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28
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+
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29
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+
(7,'きゅうり'),
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30
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+
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31
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+
(7,'きゅうり');
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28
32
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29
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```
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30
34
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@@ -39,3 +43,15 @@
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39
43
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and sum(yasai!='きゅうり')=0
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40
44
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41
45
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```
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46
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+
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47
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+
ちなみに「きゅうりしか含まない」となると
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48
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+
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49
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+
```
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50
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+
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51
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+
select id from tbl group by id
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52
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+
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53
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+
having sum(yasai='きゅうり')０
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54
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+
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55
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+
and sum(yasai!='きゅうり')=0
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56
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+
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57
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+
```
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