如何在Visual Studio中运行非持久性查询

When using the Query Design feature in Visual Studio, any queries that I run on a SQL Database or Microsoft Access Database while testing are persistent. Meaning they actually change the data in the table(s). Is there a way to make the queries non-persistent while testing them until a program is run? Using C# as a programming language, and .NET as a framework if it matters. Also need to know the process for doing this with either an MS Access or SQL database.When using the Query Design feature in Visual S