Proxy SQL Server Request

Does anybody know how can I proxy SQL Server requests through another application.

I have desktop based application and I do not want 开发者_开发技巧the application to directly connect to SQL Server.

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Check this out:

GreenSQL acts as a MySQL Proxy http://www.greensql.net/

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Implement some sort of messaging system in your applications. .NET Remoting, WCF, etc.