Application Testing by Simulation > About Testing Applications by Simulation > Limitations When Testing by Simulation
	Limitations When Testing by Simulation

There are a few functions that you cannot test by simulation in Dialog Designer. These functions include:

• Databases - Dialog Designer does not provide a way to simulate database operations, so if you want to test those, you must test with a real database. You can, however, use a pared down version of a database for development and testing and then change to a run-time version just before you deploy the application.

• Web services - Dialog Designer does not provide a way to simulate Web service operations, so if you want to test those, you must test with a real Web service. You can, however, use a local or a pared down version of a Web service for development and testing and then change to a run-time version just before you deploy the application.

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