Labels:text | screenshot | letter OCR: The Logical View Three Functions. To effectively partition an application for multi- tiered environments, developers DATA ACCESS must be aware of two views of the application - logical and physical. BUSINESS LOGIC The logical view divides the appli- cation into the presentation, busi- PRESENTATION ness logic and data access func Data Server tions. The presentation function is handled by the client. The busi- ness logic is handled by process Process Server servers (or application servers) Client within the network. The data access function is handled by data servers and includes data access, as well as validation.
