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3-tier architecture is an application architecture model. It consists in dividing an application into 3 tiers: - Presentation layer, which corresponds to the user interface,
- Application layer, which corresponds to the application's business processes,
- Data layer, which manages the access to persistent data.
The objective with this separation is to make each tier independent, in order to facilitate maintenance and future developments of the application. This provides better security because only the Application tier allows access to the database. It also optimizes teamwork and cross-platform development. 3-tier architecture is fully compatible with applications or sites developed with WINDEV, WEBDEV or WINDEV Mobile.
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