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Beginning ASP.NET 3.5 in C# 2008: From Novice to Professional, Second Edition by Matthew MacDonald

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15.3. SQL Basics

When you interact with a data source through ADO.NET, you use SQL to retrieve, modify, and update information. In some cases, ADO.NET will hide some of the details for you or even generate required SQL statements automatically. However, to design an efficient database application with a minimal amount of frustration, you need to understand the basic concepts of SQL.

SQL (Structured Query Language) is a standard data access language used to interact with relational databases. Different databases differ in their support of SQL or add other features, but the core commands used to select, add, and modify data are common. In a database product such as SQL Server, it's possible to use SQL to create fairly sophisticated SQL scripts ...

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