A.CREATE TABLE stuTable (ID NUMERIC(6,0) NOT NULL, Name VARCHAR(4), Card INT ) B.CREATE TABLE stuTable (ID INT IDENTITY(10000,1), Name VARCHAR(4), Card DECIMAL(18,0) ) C.IF EXISTS(SELECT * FROM sysobjects WHERE name=' stuTable ') DROP TABLE stuTable GO CREATE TABLE stuTable (ID NUMERIC(4,0) NOT NULL, Name VARCHAR(4), Card INT ) D.IF EXISTS(SELECT * FROM sysobjects WHERE name=' stuTable ') DROP TABLE stuTable GO CREATE TABLE stuTable (ID INT IDENTITY(10000,1), Name VARCHAR(8), Card NUMERIC(18,0) )