Introduction to ADO.NET and Databases

A DATABASE is an organized collection of information that is divided into tables. Each table is further divided into rows and columns; these columns store the actual information. You access a database using Structured Query Language (SQL), which is a standard language supported by most database software including SQL Server, Access, and Oracle.

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Developing Your First ADO.NET Program
In this section you”ll plunge into ADO.NET programming and see a C# program that performs the following tasks:
1. Connects to the SQL Server Northwind database
2. Retrieves a row from the Customers table
3. Displays the columns from the row
4. Closes the database connection
You”ll be introduced to many concepts in this section that are fully explored in later chapters. Don”t be too concerned about all the details of the concepts at this stage; you”ll learn those details in the later chapters.
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