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## Take an Access Course to Learn About Relational Databases

Most people, even those who consider themselves computer illiterate, have very little trouble mastering the basics of Office applications. After all, using Word is not so different from writing a document on paper. Equations in Excel are very similar to math learned in school. PowerPoint is like putting together an art project. But Access is unlike anything else.

Many new users find Access has a steep learning curve when learned outside of an Access course. The problem is not with Access itself; the problem comes from relational databases.

What is a relational database?

If it were easy to explain relational databases, we wouldn’t need an Access course to understand it. However, a very simple explanation is that in a relational database, each piece of information such as customer name, customer address, invoice number, and part number is a separate piece of information. Each piece is linked to the others by relationships. For example, a customer name is linked to a specific invoice number that contains part numbers.

We have generally learned to store data in a linear fashion, i.e. one element after another in order. Customer records stored in a filing cabinet alphabetically by last name provide a method of linear storage. The problem with linear storage is that if you want all customers who live in Cleveland or all customers who ordered a blue widget in March or April 2005, someone has to go through each record to find those that match the criteria.

In a relational database, the customer’s name is not more important than any other information. Since the data is stored in a non-linear fashion, it is easier to spot patterns or extract information based on complex criteria.

Excel makes the problem worse

Microsoft Excel is a great product for creating workbooks, but it’s not a real database. It contains some very useful simple commands for simple 2-dimensional databases. These are easy for users to understand but are not like relational databases. Therefore, users can continue to use Excel rather than switch to the power of Access. Courses can show Excel users how to transition more easily to a real database application.

An Access course can help

Because humans tend to think linearly rather than relationally, people often struggle to learn Access on their own. An Access course can help users gain a good foundation in relational databases as well as introduce them to the features of Access that allow them to store and retrieve their data more efficiently.

Even people who learn very effectively with the “learn as you use it” technique often need the direction of an Access course to understand databases. For users who dislike traditional classroom training, e-learning solutions are available on CD, allowing students to progress at their own pace and on their own schedules. An Access course can eliminate much of the frustration of learning the difficult concept of databases.

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