What is the difference between 2-Tier architecture and
3-Tier architecture

Answer Posted / ashwani

2 tier is client server application or in 2 tier one layer
acts as web+App and another as data layer.
in 3 tier one is web layer 2nd is app layer and third is
data layer.
web layer = where client end code resides
app layer = where business logic of application resides
data layer = database layer where database resides

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