丰富的数据库前端 - 如何正确处理低质量的网络？

I have a very limited experience of database programming and my applications that access databases are simple ones :). Until now :(. I need to create a medium-size desktop application (it's called rich client?) that will use a database on the network to share data between multiple users. Most probably i will use C# and MSSQL/MySQL/SQLite.I have a very limited experience of database pr