回答編集履歴
1
修正
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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wk_sums M
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6
6
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WHERE
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7
7
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NOT EXISTS (
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8
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-
SELECT 1 FROM
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8
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+
SELECT 1 FROM wk_sums EX
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9
9
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WHERE EX.employee_id = M.employee_id
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10
10
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AND EX.created_at < M.created_at
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11
11
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)
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