回答編集履歴
1
修正
test
CHANGED
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@@ -8,7 +8,7 @@
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8
8
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9
9
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cross join
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10
10
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11
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-
( select f1, 1 zan from hoge where f2 is null or f1
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11
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+
( select f1, 1 zan from hoge where f2 is null or f1!=f2
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12
12
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13
13
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union all
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14
14
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