回答編集履歴
1
推敲
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 t1.A, t2.C, count(*)
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6
6
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7
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-
from table
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7
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+
from table1 t1 INNER join table2 t2
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8
8
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9
9
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ON t1.A = t2.A
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10
10
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