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Kalyanasundaram Somasundaram
2020-11-27 15:23:47 +05:50
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databases_sql/operations/index.html
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<li class="md-nav__item">
<a href="../reading.md" class="md-nav__link">
Further Reading
<a href="../conclusion/" class="md-nav__link">
Conclusion
</a>
</li>
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<p>Explain analyze shows the above and additional info like execution cost, number of rows returned, time taken etc.</p>
<p>This knowledge is useful to tweak queries and add indexes.</p>
<p>Watch this performance tuning <a href="https://www.youtube.com/watch?v=pjRTLPeUOug">tutorial video</a>.</p>
<p>Checkout the <a href="../lab.md">lab section</a> for a hands-on about indexes.</p>
<p>Checkout the <a href="https://linkedin.github.io/school-of-sre/databases_sql/lab/">lab section</a> for a hands-on about indexes.</p>
</li>
<li>
<p><a href="https://dev.mysql.com/doc/refman/5.7/en/slow-query-log.html">Slow query logs</a></p>
<p>Used to identify slow queries (configurable threshold), enabled in config or dynamically with a query</p>
<p>Checkout the <a href="../lab.md">lab section</a> about identifying slow queries.</p>
<p>Checkout the <a href="https://linkedin.github.io/school-of-sre/databases_sql/lab/">lab section</a> about identifying slow queries.</p>
</li>
<li>
<p>User management</p>