SELECT cust_name, cust_contact, cust_email
FROM Customers
WHERE cust_state = 'MI'
UNION
SELECT cust_name, cust_contact, cust_email
FROM Customers
WHERE cust_state = 'IL'
ORDER BY cust_name;
order by子句,必须位于最后一条select语句之后
SELECT cust_name, cust_contact, cust_email
FROM Customers
WHERE cust_state = 'MI'
UNION
SELECT cust_name, cust_contact, cust_email
FROM Customers
WHERE cust_state = 'IL'
ORDER BY cust_name;
order by子句,必须位于最后一条select语句之后
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