Sybase设置自增主键Identity的类型只能为Numeric

CREATE TABLE Sample
(
	ID          NUMERIC (10) 	IDENTITY NOT NULL,
	create_user VARCHAR (6) 	NOT NULL,
	create_time VARCHAR (14) 	NOT NULL,
	alter_user  VARCHAR (6),
	alter_time  VARCHAR (14),
	is_enable   CHAR (1) 		NOT NULL
)
GO