题解 | #检索并列出已订购产品的清单#

SELECT
    order_num, 
    prod_id,
    quantity
FROM
    OrderItems
WHERE
    quantity >= 100 
	AND (prod_id = 'BR01' OR prod_id = 'BR02' OR prod_id = 'BR03')
	#prid_id IN ('BR01', 'BR02', 'BR03')
	#非数字类型，需要加单引号
	#本题也可使用 IN