回答編集履歴
1
追記
test
CHANGED
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@@ -7,3 +7,9 @@
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7
7
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from dual
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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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+
```SQL
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12
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+
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13
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+
update xxx set yyy=rpad(substr(yyy,1,1), length(yyy) +1,'○')
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14
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+
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15
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+
```
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