mysql 查询去除表中(多个条件确定的一个数据)
1.原始数据表内容
2.sql语句
SELECT
order_id,
order_name,
state,
CASE
WHEN A.order_id = 1
AND A.order_name = '订单1'
AND A.state = 1
THEN 'yes'
ELSE 'no'
END AS flag
FROM
(SELECT
order_id,
order_name,
state,
'' AS flag
FROM
test.`a_order`) AS A
3.结果
4.去除确定的第一条数据后的结果