-473 A USER DEFINED DATA TYPE CANNOT BE CALLED THE SAME NAME AS A SYSTEM PREDEFINED TYPE (BUILT-IN TYPE)

Explanation
  The name of a data
type to be created has an unqualified name that is the same as a system-predefined
data type. The name that you specified is not allowed. Adding delimiters
does not make the name valid. The following names are restricted:  BIGINT
DECIMAL
REF

BINARY
DECFLOAT
ROWID

BLOB 
DOUBLE
SMALLINT

BOOLEAN
DOUBLE PRECISION
TIME

CHAR
FLOAT
TIMESTAMP

CHAR VARYING
GRAPHIC
VARBINARY

CHARACTER
INT
VARCHAR

CHARACTER VARYING
INTEGER 
VARGRAPHIC

CLOB 
LONG VARCHAR
XML

DATALINK 
LONG VARGRAPHIC

DATE
NUMERIC

DBCLOB 
REAL

DEC
ROWID

System action
  The statement cannot be processed.

Programmer response
  Correct the statement to use another identifier
for the name of the new user-defined type.

SQLSTATE
  42918

BIGINT	DECIMAL	REF
BINARY	DECFLOAT	ROWID
BLOB	DOUBLE	SMALLINT
BOOLEAN	DOUBLE PRECISION	TIME
CHAR	FLOAT	TIMESTAMP
CHAR VARYING	GRAPHIC	VARBINARY
CHARACTER	INT	VARCHAR
CHARACTER VARYING	INTEGER	VARGRAPHIC
CLOB	LONG VARCHAR	XML
DATALINK	LONG VARGRAPHIC
DATE	NUMERIC
DBCLOB	REAL
DEC	ROWID