What is the meaning of data access layer?

Posted by Kalaikathiravan under C# on 5/23/2013 | Points: 10 | Views : 2566 | Status : [Member] | Replies : 5
Please tell me what is meaning of data access layer and how use in project please tell me the advantage of the concept?




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Posted by: Satyapriyanayak on: 5/23/2013 [Member] [MVP] Silver | Points: 25

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http://www.codeproject.com/Articles/12032/Data-Access-Layer-Part-I
http://msdn.microsoft.com/en-us/magazine/cc188750.aspx
http://msdn.microsoft.com/en-us/library/aa581778.aspx


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Posted by: Lizallen on: 5/23/2013 [Member] Starter | Points: 25

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Data access layer is an important in the software architecture, because this determine how the application with interact with the database.A Data Access Layer communicates with the underlying database.
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Posted by: prem07it50-22307 on: 5/31/2013 [Member] Starter | Points: 25

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Data Access Layer is just a class which holds the common set of methods that are required to perform any operation in database.These class will have methods for Insert,Delete,Update and Select operation from a database.These methods will get the parameters from Business logic layer.

Regards,
Premkumar.J

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Posted by: prem07it50-22307 on: 5/31/2013 [Member] Starter | Points: 25

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You can find a good resource here
http://www.aspdotnet-suresh.com/2010/05/introduction-to-3-tier-architecture-in_17.html

Regards,
Premkumar.J

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Posted by: Bageshkumarbagi on: 5/31/2013 [Member] Starter | Points: 25

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Data access layer (DAL) is one of the impartent module in n tier architecuture. It consist the all the database connectivate and query statement. in other word we can say that in DAL we handle all data related work.



Thanks,
Bagesh Kumar Singh

Thanks,
Bagesh Kumar Singh
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