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Editorial Team
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Asked: 2026-05-11T17:41:05+00:00

I mysqldump –all-databases nightly as a backup. But on importing this dump into a

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I mysqldump --all-databases nightly as a backup. But on importing this dump into a clean installation, I obviously run into a couple issues.

  1. I obviously can’t (and don’t want to) overwrite the new information_schema.
  2. All my users and permissions settings are lost, unless I overwrite the mysql database.

What is standard practice in this situation? Parse out information_schema from .sql file before uploading? And do I overwrite the mysql database or not?

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  1. Editorial Team

    you will not have problems with the info schema

    http://dev.mysql.com/doc/refman/5.1/en/mysqldump.html
    mysqldump does not dump the INFORMATION_SCHEMA database. If you name that database explicitly on the command line, mysqldump silently ignores it.

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