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    <title>MYSQL</title>
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    <updated>2026-04-17T11:20:11+00:00</updated>
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            <id>https://www.ynohtna.fr/links/149</id>
            <title type="text"><![CDATA[Tobias_Petry.sql sur Twitter : &amp;quot;⚡️ Database Tip When doing many changes in a table by e.g. updating, deleting or inserting new rows your table statistics are not valid anymore. Your indexes may not be used, tables are joined very slow etc. You need to ANALYZE the table again to recalculate the stats. https://t.co/qih9iaUYo8&amp;quot; / Twitter]]></title>
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            <updated>2022-09-03T03:57:52+00:00</updated>
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            <entry>
            <id>https://www.ynohtna.fr/links/148</id>
            <title type="text"><![CDATA[Tobias_Petry.sql sur Twitter : &amp;quot;⚡️ Database Tip Tag searching can be done wholly different: You can store the tag primary keys in a json array and effectively search for overlapping tag ids or missing ones without very complex joins. A single where instead of multiple (slow) joins to do the same thing. https://t.co/FttTZUvePx&amp;quot; / Twitter]]></title>
            <link rel="alternate" href="https://twitter.com/tobias_petry/status/1491056283696381959" />
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            <updated>2022-09-03T03:57:52+00:00</updated>
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            <entry>
            <id>https://www.ynohtna.fr/links/59</id>
            <title type="text"><![CDATA[High-speed inserts with MySQL. When you need to bulk-insert many… | by Benjamin Morel | Medium]]></title>
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            <updated>2022-09-03T03:57:03+00:00</updated>
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            <entry>
            <id>https://www.ynohtna.fr/links/142</id>
            <title type="text"><![CDATA[Tobias_Petry.sql sur Twitter : &amp;quot;⚡️ Database Tip Deleting an unused index is still a risky operation: If you were wrong (and it is still needed) the database will become slow. Instead of deleting, you can make the index invisible first and make it visible again in a second if you still need it. https://t.co/KQjKTkgh5e&amp;quot; / Twitter]]></title>
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            <updated>2022-09-03T03:57:49+00:00</updated>
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            <entry>
            <id>https://www.ynohtna.fr/links/44</id>
            <title type="text"><![CDATA[Efficient Pagination Using Deferred Joins - Aaron Francis]]></title>
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                <![CDATA[A slight modification to traditional offset/limit pagination that can drastically boost performance.]]>
            </summary>
            <updated>2022-09-03T04:03:52+00:00</updated>
        </entry>
            <entry>
            <id>https://www.ynohtna.fr/links/108</id>
            <title type="text"><![CDATA[Sanjit Singh sur Twitter : &amp;quot;🔥 In #mysql you can compare strings by how they sound rather than how they have been typed using SOUNDEX() function #laravelframework #laravel #mysql #sql https://t.co/QJiFKQYmTY&amp;quot; / Twitter]]></title>
            <link rel="alternate" href="https://twitter.com/justsanjit/status/1475965141762162694" />
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            <updated>2022-09-03T03:57:30+00:00</updated>
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