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  <blog_title>mita2 database life</blog_title>
  <blog_url>https://mita2db.hateblo.jp/</blog_url>
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    <anon>MySQL</anon>
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  <description>Illegal mix of collations Illegal mix of collations エラーは 異なる照合順序で結合や比較を行った場合に発生するエラーです。 mysql&gt; SELECT CONCAT(_utf8mb4 'A' COLLATE utf8mb4_bin, _utf8mb4 'B' COLLATE utf8mb4_unicode_ci); ERROR 1267 (HY000): Illegal mix of collations (utf8mb4_bin,EXPLICIT) and (utf8mb4_unicode_ci,EXPLICIT) for operatio…</description>
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  <provider_name>Hatena Blog</provider_name>
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  <published>2022-01-28 18:13:13</published>
  <title>MySQL Illegal mix of collations エラーが出る・出ないまとめ</title>
  <type>rich</type>
  <url>https://mita2db.hateblo.jp/entry/2022/01/28/181313</url>
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