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Updated MySQL tips (markdown)

ghost-from-the-past 2021-04-15 16:14:42 +02:00
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MySQL-tips.md

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This tips were prepared for [[Install Tracks-2.5 on Ubuntu 20.10]]
<h3 class="title">MySQL 8.0 Reference Manual</h3>
<p>
<a href="https://dev.mysql.com/doc/refman/8.0/en/">https://dev.mysql.com/doc/refman/8.0/en/</a>
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<li>$MYSQL_HOME/my.cnf</li>
<li>[datadir]/my.cnf</li>
<li>~/.my.cnf</li>
</ul>
</ul>
<h3>Import Export the content of the database</h3>
<blockquote>
<p>&gt;mysqldump -u <strong>user_name</strong> -p <strong>db_name</strong> &gt; /tmp/partkeepr.sql</p>
</blockquote>
<p>set <strong>user_name</strong> and <strong>db_name</strong> accordingly.</p>
<p>e.g.</p>
<blockquote>
<p>&gt;mysqldump -u daniel -p tempe &gt; ~/tracks.sql</p>
</blockquote>
<p>The command will ask for the password of the SQL user.</p>
<p>If you get the error</p>
<p>mysqldump: Error: 'Access denied; you need (at least one of) the PROCESS privilege(s) for this operation' when trying to dump tablespaces</p>
<p>if your user root doesn't have a password ... you can use root (note that the line is without -p)</p>
<blockquote>
<p>&gt;mysqldump -u root tempe &gt; ~/tracks.sql</p>
</blockquote>
<h3>Import the SQL file</h3>
<br/>
<p>Sometimes it is required to drop all the table before the import, you need to check for your case.</p>
<p>at the command line do</p>
<blockquote>
<p>&gt;mysql -u <strong>user_name</strong> -p <strong>db_name</strong> &lt; /tmp/partkeepr.sql</p>
</blockquote>
<p>e.g.</p>
<blockquote>
<p>&gt;mysql -u daniel -p tempe &lt; ~/tracks.sql</p>
</blockquote>