Update 25th of July 2016 Starting with MySQL 5.7.7 this is no longer a problem. In this article I am explaining how to create utf8mb4 databases, tables and columns with plain SQL and with Doctrine ORM. By the way, Emojis also require 4 bytes and utf8mb4. MySQL provides an additional character encoding utf8mb4 to support those characters. ![]() However, Chinese, Japanese or Korean alphabets require 4 bytes and therefore cannot be stored in a MySQL column that is encoded with utf8. The MySQL character encoding utf8 has a maximum of 3 bytes, which contains most characters widely used in the western world. ![]() ![]() UTF-8 is a variable-length encoding, that means ASCII characters require only one byte while it also supports more characters by requiring more bytes. When dealing with character encodings in MySQL you soon realise that utf8 is not really UTF-8.
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