高手请进..求SQL语句
CREATE TABLE [Sheet1$] (
[日期] [smalldatetime] NULL ,
[客户名称] [nvarchar] (255) COLLATE Chinese_PRC_CI_AS NULL ,
[地 址] [nvarchar] (255) COLLATE Chinese_PRC_CI_AS NULL ,
[电 话] [float] NULL ,
[联系人] [nvarchar] (255) COLLATE Chinese_PRC_CI_AS NULL ,
) ON [PRIMARY]
GO
CREATE TABLE [yl_khtz] (
[khtz_1001_id] [int] IDENTITY (1, 1) NOT NULL ,
[khtz_1002] [varchar] (20) COLLATE Chinese_PRC_CI_AS NOT NULL ,/* 客户名称*/
[khtz_1003] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,/*地址*/
[khtz_1004] [varchar] (20) COLLATE Chinese_PRC_CI_AS NULL ,/*电话*/
[khtz_1005] [varchar] (20) COLLATE Chinese_PRC_CI_AS NULL ,/*联系人*/
[khtz_1006] [varchar] (20) COLLATE Chinese_PRC_CI_AS NULL ,
[lb_1001_id] [int] NULL ,
[khtz_1007] [int] NULL ,
[khtz_1008] [int] NULL ,
[khtz_1009] [nvarchar] (20) COLLATE Chinese_PRC_CI_AS NULL
) ON [PRIMARY]
GO
求把Sheet1$表客户名称,地址,电话,联系人字段的数据(如客户名称相同的取第一条),对应yl_khtz表客户名称,地址,电话,联系人字段插入数据.