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Friday, 7 December 2012

What is database - Computer Tips


A details source is a selection of related details saved in an efficient and compact manner. The word “efficient” indicates that saved details can be utilized very easily and quickly.

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Similarly, the word “compact” indicates that saved details takes up as little space as possible. In the above definition of details source, the phrase “related data’ is used. It indicates that a details source contains details or details about a particular topic such as:
Database of workers that contains details of workers of an company or division.
Database of learners that contains details of learners of college or university.
A details source holds related details as well as information of that details. For this reason, a details source is also defined as a self describing selection of integrated information. The information of details is known as the system selection or details dictionary or meta-data. For example when a table of a details source is designed, the details type, size, format and other descriptions of areas are specified. This is an example of meta-data, which describes the properties of details to be saved into areas of table.

The details of any company is its integral part. The details is very important for developing new products and their marketing. The details must be precise and available when needed. This is the reason that all company must organize and manage their details into details source. The data source are used for variety of purposes in as company. For example, when you purchase products from target, the checkout associate will pass the purchased product through a scanner device known as bar value audience. This device will read the bar value printed on the product and gives the precise price of the product.  Actually, the bar value audience is obtaining the details source, which contains the details about the products. The bar value audience is connected to a details source program system, which uses the bar value to access price of product. The details source system instantly updates the details source. The associate can also check whether a required product is in stock by running the details source program system. In the same way, you can purchase products using your credit score cards. Your credit score is examined by a cards audience connected to a pc. In this case, there is a details source somewhere that contains details about your credit score. Almost all organizations and gov departments of every country in world use details source to maintain their information. Some examples of large data source that have been developed around the world are:

When you sketch amount from bank through ATM cards, you are obtaining the database; your account is utilized and examined through auto teller machine. When you sketch some amount from your account, your record in the details source is instantly updated immediately.

When you visit check your local selection, there may be a automated details source containing details of the books in the selection. There will be a automated index, which allows you to find a book based on its title, its author’s name etc.

The meteorological company contains data source having details about current and previous meteorological details. The meteorological division is totally dependent on the meteorological details.

A details source may be generated and managed personally or it may be automated. The selection cards selection is an example of a details source that is created and managed personally. On the other hand, a automated details source may be created and managed either by using program system, which is developed specifically for that purpose or by a details source management systems.