what is data access layer?

Answer Posted / mvkotekar

DAL stands for Data Access Layer one of the design patterns
used in application Design architecture. DAL used in
UI ->BL->DAL->DB

The IO from UI is passed to BL. The BL talks with DAL for
retriving and updating values in the database. DAL forms a
bridge between the Buisness Logic (BL) and the Database (DB).

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the difference between adapter and facade?

633


What is a lazy initialization in singleton?

597


What is the behavioral design pattern?

660


What is the difference between 3 tier and n tier architecture?

609


What is clean architecture?

572






What is the difference between architecture and design?

586


What are the types of participants of the prototype design pattern you will get?

587


What is proxy in design pattern?

610


Is mvc a software design pattern?

671


2. Create your own definition of a system. Based on the “system” definitions a. Identify your viewpoint of shortcomings in the definitions. b. Provide rationale as to why you believe that your definition overcomes those shortcomings. c. From an historical perspective, identify three precedented systems that were replaced by unprecedented systems.

2725


Which design pattern is mvc?

626


Which design patterns have you used in your project ?

570


Are you using singleton in your code?

592


When should design patterns be used?

589


Why is singleton used?

627