2 tier and 3 tier architecture system
What is 2 tier and 3 tier system?
The two-tier DB architecture is a client-server architecture.
The three-tier DB architecture is a type of web-based application.
Number of Layers.
It contains mainly two layers- the Data Tier (Database Tier), and the Client Tier.
It mainly contains three layers- the Data Layer, the Business Layer, and the Client Layer.What is 3-tier architecture and N-tier architecture?
In 3 Tier Application there are three tiers like Presentation Layer , Application Layer and Data layer.
Here the application layer contains business logic as well .
On the other hand in N Tier Application layer is divided into 2 i.e.
Application Layer and Business Logic layer.The four layers of four-tier architecture are presentation layer (PL), data service layer (DSL), business logic layer (BLL), and data access layer (DAL).
What is the difference between 2 tier and N-tier architecture?
The second tier is responsible for providing the availability, scalability, and performance characteristics for the organization's web environment.
In an n -tier architecture, application objects are distributed across multiple logical tiers, typically three or four.
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