[1] [CITE@en[MySQL :: MySQL 5.5 Reference Manual :: 10.1.10.6 The utf8mb4 Character Set (4-Byte UTF-8 Unicode Encoding)]]
( ([TIME[2012-12-15 08:38:14 +09:00]] 版))
<http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html>