📜  选择具有相同用户名的用户 - SQL 代码示例

📅  最后修改于: 2022-03-11 15:04:52.310000             🧑  作者: Mango

代码示例1
/* This SQL Query will show each of those duplicate
rows individually instead of just grouping it */
SELECT username,email 
FROM `users` 
WHERE `username` 
IN (SELECT username FROM `users` GROUP BY username HAVING COUNT(username) > 1)