data-access-layer

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Putting a new web interface on an old fat-client database

My company has a fairly old fat client application written in Delphi. We are very interested in replacing it with a shiny new web application. This will make maintenance a breeze and many clients want[详细]

2023-04-13 09:02 分类：问答
Perl DAL Design Questions

Recently I\'ve been working on some Perl projects and I\'m a very novice Perl programmer.I\'ve been experimenting with DBIx::Class and so far I\'m really please with the flexibility and the ease of us[详细]

2023-04-12 05:03 分类：问答
generic c# class for SELECT, INSERT, UPDATE and DELETE operations in asp.net

I\'m searching for a code example/link that does what the title says. Basically I need to create a data access layer for my asp.net website, and I want it to be as generic as possible. I prefer to wo[详细]

2023-04-11 10:17 分类：问答
Efficent database access in terms of record insertion

I apologize in advance for the \"rookie\" question, but I am still fundamentally a novice in most aspects of SQL.[详细]

2023-04-10 23:51 分类：问答
Is it deemed bad practice to inject the DAO into the constructor? and if so, why?

I have a开发者_开发知识库 (DAL) Data Access Layer (but this question is relevant for DAOs as well) which is communicating with a restful web service in android (which is less relevant other than the f[详细]

2023-04-10 16:12 分类：问答
Using Microsoft.Practices.EnterpriseLibrary.Data IResultSetMapper<T>

Instead of rolling my own ADO.Net helper classes, I\'ve decided to give the Microsoft.Practices.EnterpriseLibrary a spin. Looking over the documentation, and the sample projects, I\'m really liking wh[详细]

2023-04-10 01:02 分类：问答
moving "logic" out of dataaccess layer would lead to lots of database connections

I have a method in my dataaccess layer that processes a file import. Such a file can have many records in it that need to be inserted into the database.[详细]

2023-04-09 19:44 分类：问答
Should multiple databases share the same DAL?

We have applications that must reach into multiple databases. Previously, we had separate DALs that would reach into only a single database. A separate business layer would sit on top would reach only[详细]

2023-04-09 14:42 分类：问答
How can I expose my data model in a transactional form?

Some software currently being written has a requirement for the data model to be transactional, implementing CRUD operations. (get a copy of data, make changes, submit it atomically, get fault message[详细]

2023-04-08 16:46 分类：问答
entity data framework - 101

I am used to using datasets for my projects in terms of data access. I now set mys开发者_开发知识库elf an easy app to work on in order to learn the entity data framework and how to retrieve & mani[详细]

2023-04-08 04:34 分类：问答