这是sql(mysql):
表产品和product_sale_app
它将传入两个参数,appkey是表product_sale_app的属性; category是表product的属性。我需要从表product中获取effect_date,product_id,name并使用上述条件。
SELECT effect_date,
product_id,
name
FROM product
WHERE product_id IN
(SELECT product_id
FROM product_sale_app
WHERE appkey =88888
AND product_id IN
(SELECT product_id
FROM product
WHERE category =1 ) )
答案 0 :(得分:0)
使用JOIN
product_id
代替子查询,然后将条件放在WHERE
子句中。
请尝试以下操作:
SELECT p.effect_date,
p.product_id,
p.name
FROM product AS p
JOIN product_sale_app AS psa ON psa.product_id = p.product_id
WHERE p.category = 1 AND psa.appkey = 88888