Data types in Teradata

Datatypes and their length(size) details are given below:
DatatypeLength
INTEGER-2,147,483,648 to 2,147,483,647
SMALLINT-32,768 to 32,767
FLOATvalue x 10^307 to value x 10^-308
REALInternally as float
PRECISIONInternally as float
DOUBLE PRECISIONInternally as float
CHAR(X)max->64000
VARCHAR(X)1 - 64000
DATECurrently to the year 3500 as a positive number and back into AD years as a negative number.
BYTEINT-128 to 127
BYTE (X)1 to 64,000 bytes
GRAPHIC (X)Fixed length string of 16-bit bytes (2 bytes per character) 1 to 32,000 KANJI
VARGRAPHIC (X)variable length string of 16-bit bytes (2 bytes per character) 1 to 32,000 KANJI