##----查询表中的重复数据
SELECT
*
FROM
business_sms_config tableB
WHERE
tableB.id NOT IN (
-- 剔除唯一数据剩下的就是重复数据
SELECT
min(tableA.id) -- 遇到重复数据,取ID小的那条,得到唯一属性数据,和Max相反
FROM
`business_sms_config` tableA
WHERE
tableB.phone_no = tableA.phone_no
AND tableB.business_function_id = tableA.business_function_id
AND tableB.partner_id = tableA.partner_id
)