Titlebook: Beginning C# 2008 Databases; From Novice to Profe Vidya Vrat Agarwal,James Huddleston,Jon Reid Book 2008 The Author(s) 2008 .NET.ASP.NET.Ac

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灌输

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使人烦燥

Current Concepts in Critical Careriting software means that you have to have a database sitting at the back end, and most of the time goes into writing queries to retrieve and manipulate data. Whenever someone talks about data, we tend to only think of the information that is contained in a relational database or in an XML document.

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Manipulating Database Data,ow that you know something about writing database queries, it’s time to turn your attention to the different aspects of data modification, such as retrieving, inserting, updating, and deleting data.

Paradox

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Agronomy

Executing Commands,nce you’ve established a connection to the database, you want to start interacting with it and getting it doing something useful for you. You may need to add, update, or delete some data, or perhaps modify the database in some other way, usually by running a query. Whatever the task, it will inevitably involve a ..