DEC[(M[,D])] [UNSIGNED] [ZEROFILL], NUMERIC[(M[,D])] [UNSIGNED]
[ZEROFILL], FIXED[(M[,D])] [UNSIGNED] [ZEROFILL]

These types are synonyms for DECIMAL. The FIXED synonym is available
for compatibility with other database systems.

URL: http://dev.mysql.com/doc/refman/5.7/en/numeric-type-overview.html

