Client Server Database
Three-tier architecture includes which of the following?

A client layer and two server layers
Two client layers and one server layer
Three server layers
Three client layers

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Client Server Database
Which of the following is true concerning QBE?

QBE does not give the programmer a visual programming environment.
QBE cannot be used for client/server systems.
An official standard has been defined for QB
Complete applications can be written using QB

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