Tipo de datos

Tipo de dato	Ejemplos	Tamaño
CHAR	ALPHANUMERIC CHARACTER CHARACTER VARYING CHAR CHAR VARYING  CHARACTER CHARACTER VARYING NCHAR STRING TEXT(n) VARCHAR	2 bytes por carácter.
TEXT	LONGCHAR LONGTEXT MEMO NOTE NTEXT
BINARY	VARBINARY BINARY VARYING BIT VARYING	1 byte por carácter
BIT	BOOLEAN LOGICAL LOGICAL1 YESNO	1 byte
TINYINT	INTEGER1 BYTE	1 byte
MONEY	CURRENCY	8 bytes
DATETIME	DATE TIME	8 bytes
DECIMAL	NUMERIC DEC	17 bytes
REAL	SINGLE FLOAT4 IEEESINGLE	4 bytes
FLOAT	DOUBLE FLOAT8 NUMBER	8 bytes
SMALLINT	SHORT	2 bytes
INTEGER	LONG INT INTEGER4	4 bytes