SQL that describe table and it s relation to make simple private and public chat. we can customize it as we need and redeclare new table or field in each table.

本聊天室为文字聊天室，有管理员功能，可踢人、提升管理员、查阅用户信息，文字聊天，私聊，支持表情，点歌等功能。本聊天室可以用ACCESS数据库和SQL SERVER。-The chat room text chat rooms, there is an administrator function, kicking, improve administrator access to user information, text chat, private chat, support for expr