<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>join on IT Quicktasks</title><link>https://quicktasks.ismael.casimpan.com/tags/join/</link><description>Recent content in join on IT Quicktasks</description><generator>Hugo -- gohugo.io</generator><copyright>Copyright © 2018–2022, Ismael Casimpan Jr.; All Rights Reserved</copyright><lastBuildDate>Tue, 23 Oct 2018 22:30:18 +0800</lastBuildDate><atom:link href="https://quicktasks.ismael.casimpan.com/tags/join/index.xml" rel="self" type="application/rss+xml"/><item><title>MariaDB Table Join Limit</title><link>https://quicktasks.ismael.casimpan.com/post/mariadb-tablejoin-limit/</link><pubDate>Tue, 23 Oct 2018 22:30:18 +0800</pubDate><guid>https://quicktasks.ismael.casimpan.com/post/mariadb-tablejoin-limit/</guid><description>
Maximum number of table joins is 61 as per https://stackoverflow.com/questions/23389820/what-is-the-maximum-number-of-table-joins-in-mariadb Tested out as follows:
1CREATE TABLE t (i INT(10) NOT NULL); 2select * 3from t a01 join t a02 join t a03 join t a04 join t a05 join t a06 join t a07 join t a08 join t a09 join t a10 4join t a11 join t a12 join t a13 join t a14 join t a15 join t a16 join t a17 join t a18 join t a19 join t a20 5join t a21 join t a22 join t a23 join t a24 join t a25 join t a26 join t a27 join t a28 join t a29 join t a30 6join t a31 join t a32 join t a33 join t a34 join t a35 join t a36 join t a37 join t a38 join t a39 join t a40 7join t a41 join t a42 join t a43 join t a44 join t a45 join t a46 join t a47 join t a48 join t a49 join t a50 8join t a51 join t a52 join t a53 join t a54 join t a55 join t a56 join t a57 join t a58 join t a59 join t a60 9join t a61 join t a62; Results in error for more than 61 table used (tested on MariaDB 10.</description></item></channel></rss>