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ADO.NET Interview Question:
What is data access layer?
Submitted by: AdministratorData Access layer is actually a part of Architecture layer. It has 2 tier,3 tier or N tier Layer. Generally we use 3 tier Layer 1) Presentation layer,Business Logic layer and then Data Access Layer. Data Access layer is a medium to talk between database and Business Logic layer.
It helps to maintain flexibility,resuablity and even secuity also. In security SQL Injection can be stopped with 3 iter Archietcture.
Submitted by: Administrator
It helps to maintain flexibility,resuablity and even secuity also. In security SQL Injection can be stopped with 3 iter Archietcture.
Submitted by: Administrator
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