https://www.fromdual.com/tags/utf8mb4/Recent content in Utf8mb4 on FromDual GmbHHugoen-GBoli.sennhauser@fromdual.com (Oli Sennhauser)oli.sennhauser@fromdual.com (Oli Sennhauser)© FromDual GmbHMon, 11 Oct 2021 16:31:26 +0000https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/Sat, 17 Aug 2019 21:50:15 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/<h2 id="table-of-contents">Table of Contents</h2> <ul> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#introduction">Introduction</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#character-sets">Character Sets</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#steps-to-convert-to-utf8mb4">Steps to convert Character Set to utf8mb4</a> <ul> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#analyzing-the-server">Analyzing the Server</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#analyzing-the-application">Analyzing the Application and the Clients</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#preparation">Preparation of the Server Settings and the Application</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#convert-to-utfmb4">Convert Tables to utf8mb4</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#testing">Testing of new Character Set</a></li> </ul> </li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#mysqlpump">MySQL Pump</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#replication-for-character-set-conversion">MySQL Master/Slave Replication for Character Set conversion</a></li> <li><a href="https://www.fromdual.com/blog/mariadb-and-mysql-character-set-conversion/#upgrade-checker-utility">MySQL Shell, <code>mysqlsh</code> Upgrade Checker Utility</a></li> </ul> <h2 id="introduction">Introduction</h2> <p>Recently we had a consulting engagement where we had to help the customer to migrate from latin1 Character Set to utf8mb4 Character Set. In the same MySQL consulting engagement we considered to upgrade from MySQL 5.6 to MySQL 5.7 as well <br>[ <a href="https://www.fromdual.com/mariadb-and-mysql-upgrade-problems#mysql_56_to_57">Lit.</a> <br>]. We decided to split the change in 2 parts: Upgrading to 5.7 in the first step and converting to uft8mb4 in the second step. There were various reasons for this decision:</p>https://www.fromdual.com/blog/why-is-varchar255-not-varchar255/Fri, 24 Jun 2016 16:18:43 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/why-is-varchar255-not-varchar255/<p>Recently I was working on a clients question and stumbled over an issue with replication and mixed character sets. The client asked, wether it is possible to replicate data to a table on a MySQL slave, where one column had a different character set, than the column in the same table on the master.</p>https://www.fromdual.com/blog/migration-from-other-databases-to-mysql-or-mariadb/Fri, 03 Jul 2015 08:32:31 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/migration-from-other-databases-to-mysql-or-mariadb/<h2 id="database-migration-tools">Database migration tools</h2> <p>A generic database migration tool to MySQL and MariaDB is the <a href="https://www.mysql.com/products/workbench/migrate/" target="_blank" title="MySQL Workbench database migration tool">MySQL Workbench</a>.</p>