[EdgarHN]

Puedes hacerla asi:

Database = db_open("database.db");

db_query(Database,"CREATE TABLE IF NOT EXIST (`Nombre` VARCHAR (24) COLLATE NOCASE, `Pass` VARCHAR(12, `Edad` INTEGER DEFAULT 0 NOT NULL, `Genero` INTEGER DEFAULT 0 NOT NULL, `DNI` INTEGER DEFAULT 0 NOT NULL)");