delphi三层结构，改C/S的，在软件里加入合适的权限控制，再共享下数据库，程序的里执行语句处理下并发情况，加入事物回滚操作，基本就OK了。。

-delphi three-tier structure, change the C/S, in the software to add the appropriate access control, and then shared the next database, the program executes the statement in the complicated case treated by adding rollback of things, basically to OK. .