题解 | #纠错4#

#在union中只能使用一个order by 语句，并且得放在最后一个select语句之后


SELECT
    cust_name,
    cust_contact,
    cust_email
FROM
    Customers
WHERE
    cust_state = 'MI'
UNION all
SELECT
    cust_name,
    cust_contact,
    cust_email
FROM
    Customers
WHERE
    cust_state = 'IL'
ORDER BY
    cust_name