佐证Navicat 新建的查询窗口是一个会话 session

https://dev.mysql.com/doc/refman/8.0/en/show-processlist.html

 

show full PROCESSLIST 

 

 

 

新开一个查询窗口就会新增一条记录，关闭一个查询窗口就会减少一条记录

 

Command

The type of command the thread is executing on behalf of the client, or Sleep if the session is idle.