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what is data access layer?
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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 |
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