what is data access layer?
- 7 Answers
- 17037 Views
- Honeywell, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / arunachalam
Data Access Layer which is receive a request from buisness
object layer and speaks to database , get the result and
return to buisness object.
All sqls and Stored procedure execution will be placed.
| Is This Answer Correct ? | 13 Yes | 0 No |
DAL is a class which you can for talking to database. In
this case you do not need to worry about creating DB
connection, destroy db objects, connection pooling.
Everything is handled by DAL for you. You only need to
create class derived from DAL and define sored procedures
and classes for storing result from stored procedures.
This is very convenient way of talking to DB.
| Is This Answer Correct ? | 10 Yes | 0 No |
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 |
Answer / design baboo
Data Access Layer or DAL in an application is the layer which
takes care of interaction with database. In DAL , generally
Insert, Update and Delete Queries are written. DAL sits
between database and the Business layer.
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / usha mabel rani
It contain objects that know how to communicate with place
where data reside it be a relational
database,mainframe,internet,or file.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / devarathnam c,kotagudibanda(po
Hi... Data access layer is nothing but EIS(Enterprise
Information Server)which can store the databse objects
associated to the webapplication.
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / david mathias
Hi Usha Mabel Rani,
The question is " What is Data Access Layer?" not "What
data access layer contains.
| Is This Answer Correct ? | 0 Yes | 1 No |
What is your research methodology?
SAP Design Studio live classes by Exports
what is data access layer?
Suppose we have file(ps), dont know how many records are there. Move half of the records to 2 files. How can we do?
Tell us the kind of features that you add to your design.
Write the code for a singleton class?
Using any system, product, or service your organization provides, identify the human system roles for the product.
what is cascading order?
What are the disadvantages of singleton pattern?
Name some of the analytical tools and KPIs that you used in your evaluations.
How might prototyping be used as part of the SDLC?
when performing a functional test on a phone calculator,if pressing on a button does not function what do i do next
Design Patterns 
