Sql语句查询出来结果的两列相加或相乘

SELECT
price * number #列1乘以列2

AS usdt #别名
FROM
order_btccoin #表名
WHERE
buy_uid = 13307325 255.0046567135846 #条件

加就加，乘就乘，减就减

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如果要统计查出的值的话可以这样

select sum(usdt)from(select price*number AS usdt from order_btccoin WHERE buy_uid=13307325)usdt

转载于:https://www.cnblogs.com/pengkangkang/p/10966641.html