目录1.确保 mysql 服务器允许远程连接2.确保防火墙允许 MySQhttp://www.devze.comL 流量3.设置 MySQL 用户权限4.重新启动mysql服务1.确保 MySQL 服务器允许远程连接
Is it possible to create a \"tree resolver\" in SQL? I have a table: ID Name Parent 1a 2b1 3c1 4d3 Now I want a SQL query that returns:
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