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Sql 我错了什么?_Sql_Sql Server - Fatal编程技术网

Sql 我错了什么?

Sql 我错了什么?,sql,sql-server,Sql,Sql Server,代码如下: Create table employees ( id integer identity(1,1) primary key, lastname varchar (16), pass_num varchar (16) ) ; insert into employees values ('Ivanov', '11111111'); insert into employees values ('Ivanov', '11111111'); insert i

代码如下:

    Create table employees
(
  id integer identity(1,1) primary key,
  lastname varchar (16),
  pass_num varchar (16)
 )
;

  insert into employees values ('Ivanov', '11111111');
  insert into employees values ('Ivanov', '11111111');
  insert into employees values ('Ivanov', '55555555');
  insert into employees values ('Petrov', '22222222');
  insert into employees values ('Petrov', '22222222');
  insert into employees values ('Sidorov', '11111111');

SELECT id, lastname, pass_num
FROM employees emp
GROUP BY lastname, pass_num
HAVING min(id);
及 错误:在“')”附近的预期条件的上下文中指定的非布尔类型的表达式。

您有错误

HAVING min(id);
它正在等待一个表达式

样品

HAVING min(id) = 1;
此外,您的分组依据不包括聚合函数中未包含的所有列。这还应该包括列id

GROUP BY lastname, pass_num

请将您的代码作为文本包含在帖子中。您的预期输出是什么?