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      A.8 MySQL 8.4 FAQ: Migration
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     A.8.1.
     <a href="faqs-migration.html#faq-mysql-how-migration-mysql">
      Where can I find information on how to upgrade or downgrade
        MySQL?
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        <b>
         A.8.1.
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        Where can I find information on how to upgrade or downgrade
        MySQL?
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       <p>
        For detailed upgrade information, see
        <a class="xref" href="upgrading.html" title="Chapter 3 Upgrading MySQL">
         Chapter 3,
         <i>
          Upgrading MySQL
         </i>
        </a>
        . Do not skip a major version when
        upgrading, but rather complete the process in steps, upgrading
        from one major version to the next in each step. This may seem
        more complicated, but ultimately saves time and trouble. If you
        encounter problems during the upgrade, their origin is easier to
        identify, either by you or, if you have a MySQL Enterprise
        subscription, by MySQL support.
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