selectT_customer.customer_No,customer_Name,customer_Category,customer_State,customer_Tel,customer_InputeDate,trackrecord_DateTime=null,days=null from T_customer where T_customer.customer_No not in(select distinct customer_No from T_trackrecord) 至
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/06 02:12:11
selectT_customer.customer_No,customer_Name,customer_Category,customer_State,customer_Tel,customer_InputeDate,trackrecord_DateTime=null,days=null
from T_customer where T_customer.customer_No not in(select distinct customer_No
from T_trackrecord) 至少一个参数没有被指定值.
在,可以的
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selectT_customer.customer_No,customer_Name,customer_Category,customer_State,customer_Tel,customer_InputeDate,trackrecord_DateTime=null,days=null from T_customer where T_customer.customer_No not in(select distinct customer_No from T_trackrecord) 至