回答編集履歴
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追記
test
CHANGED
@@ -49,3 +49,23 @@
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AND t1.`id`=t2.`id`;
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```
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# 追記
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これでいけました
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```SQL
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UPDATE `calendartbl`
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SET `is_deleted`=IF(`is_deleted`='y','n','y')
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WHERE `holiday` IN ('2016-07-02','2016-07-04','2016-07-05');
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```
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