Data types FIREBIRD

TIPOS DE DATOS
BIGINT

Integer, 64 bits (-2 x 1063  hasta 2 x 1063 -1)
CHAR(n) Cadena de N caracteres.
DATE Entero de 32 bits.
01-01-100 to 31-12-9999
DECIMAL
(precision [,scale])		 Decimal (Precisión: 1-18, escala: 1-18)
DECIMAL(8,3)=ppppp.sss
DOUBLE PRECICION Punto Flotante de 64 bits 2.225 x 10-308 hasta 1.797 x 10308
FLOAT Punto Flotante de 32 bits 1.175 x 10-38 hasta 3.402 x 1038
INTEGER Entero de 32 bits, con signo -2.147.483.648 hasta 2.147.483.647
NUMERIC
(precision [,scale])		 Igual que DECIMAL (Precision [,scale])
SMALLINT Entero de 16 bits ( -32.768 hasta 32.767 )
TIME Entero de 32 bits
0:00:00 hasta 23:59:59.9999
TIMESTAMP Entero 64 bits.
VARCHAR(n) Cadena de n caracteres (0 to 32.765 bytes).
Charset character size determines the maximum number of character that can fit in 32k.
BLOB Variable.
Dynamically sizable data type for storing large data such as graphics, text, and digitized voice. Blob. Blob subtype describes Blob contents.