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Writing a Data Access Layer (DAL) for SQL Server

In this tip, I am going to show you how you can create a Data Access Layer (to store, retrieve and manage data in relational database) in ADO .NET. I will show how you can make it data provider independent, so that you don't have to re-write your data access layer if the data storage source changes and also you can reuse it in other applications that you develop.

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Question of the Day

QUOTENAME Quote Parameters

When I use QUOTENAME(), I can optionally provide the character used to surround the string in the result. Can I use any character?

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