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建立人际资源圈Databases__Microsoft_Excel_2003
2013-11-13 来源: 类别: 更多范文
Databases: Microsoft Excel 2003
Databases: Microsoft Excel 2003
A database is an abundance of information that can be used to store, sort, and catagorize information to suit the user. Databases are very important for keeping records in any business for lists of clients, employees, schedules, spending, business reports, and even customer information. As quotes at www.webopedia.com databases are often abbreviated DB. A collection of information organized in such a way that a computer program can quickly select desired pieces of data. You can think of a database as an electronic filing system.
Databases can be used with database management systems. There are many different DBMSs that can be used in small or large computer systems. When you want information from the database you ask in query form. Requests for information can be general or very specific depending upon the symbols you use with your query. For example you can use quotation marks, plus sign, and greater and less than symbols to narrow the field of your request.
A data warehouse can be used by a businesses to help them see how the company is doing. It is like a test score you
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