Tuesday, February 4, 2014

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 study 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 teaching, such(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 build a database. You can make a list of information in all kinds of courses, such as Microsoft Excel, Wordeven the soft and lower-ranking 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: * storage selective information: A database stores lists of information that are relate 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 attempt all the customers with the last name Johnson or all the customers who recrudesce in the 55417 zip law and are older than 65. * locomote 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 pack 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) land cod! e 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

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