回答編集履歴
3
修正
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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UPDATE テーブル名 SET カラム名 = NULL
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6
6
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7
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-
where TRIM(REPLACE(カラム名, ' ',
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7
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+
where TRIM(REPLACE(カラム名, ' ', ' ')) IS NULL
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8
8
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9
9
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```
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10
10
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2
追記
test
CHANGED
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@@ -7,3 +7,5 @@
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7
7
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where TRIM(REPLACE(カラム名, ' ', NULL)) IS NULL
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8
8
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9
9
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```
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10
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+
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11
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+
[FUNCTION REPLACE](https://dev.mysql.com/doc/refman/5.6/ja/string-functions.html#function_replace)
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1
追記
test
CHANGED
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File without changes
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