Chomsky

[Previous] [Content Page] [Next] Introduction to DatabasesFigure 1-1. Similar to a file cabinet...Figure 1-2. ...databases store and do it education relate to a particular subject or purpose.In its simplest form, a database is a collection of breeding that is organized into a propensity and stored in a manner similar to a file cabinet, as seen in Figure 1-1. Whenever you make a list of data, much(prenominal)(prenominal) as names, addresses, products, or invoices, you are, in fact, creating a database. technically speaking, you dont even have to use a database weapons platform to execute a database. You can make a list of information in all kinds of courses, such as Microsoft Excel, Wordeven the soft and baseborn Notepad program!A database program, however, is much more puissant than a simple list you keep on publisher or in a Microsoft Word document. A database program lets you: * retentivity selective information: A database stores lists of information that are associate to a particular subject or purpose. It could be a list of aunt Mildreds home recipes, or business information, such as a list of hundreds of thousands of customers. A database also makes it easy to add, update, organize, and delete information. * Find Information: You can easily and apace locate information stored in a database.

For example, you can take chances all the customers with the last name Johnson or all the customers who develop in the 55417 zip work out and are older than 65. * scarper and Print Information: You can perform calculations on information in a database. For example, you could calculate what percent of your total gross revenue comes ! from the state of Texas. You can also present information in a professional-looking printed report. * Manage Information: Databases make it easy to put up with and manage huge amounts of information (see Figure 1-2). For example, with a a couple of(prenominal) keystrokes you can change the sphere of influence code for hundreds of customers in the (612) sector code to a new (817) area code. * Share Information: Most database programs...If you want to get a full essay, lodge it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay