====== MySQL VARBINARY ======
===== VARBINARY를 문자열로 =====
  * [[http://stackoverflow.com/questions/1873085/how-to-convert-from-varbinary-to-char-varchar-in-mysql|sql - How to convert from varbinary to char/varchar in mysql]]<code sql>
CAST(foo AS CHAR(100))
CONVERT(foo, CHAR(100))

Supported types (5.5) are:

BINARY[(N)]
CHAR[(N)]
DATE
DATETIME
DECIMAL[(M[,D])]
SIGNED [INTEGER]
TIME
UNSIGNED [INTEGER]
</code>
    * ''VARCHAR''는 현재 지원되지 않는다.