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Dbms Essay

  • Submitted by: mrzcrz
  • on September 3, 2013
  • Category: Miscellaneous
  • Length: 1,008 words

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Below is an essay on "Dbms" from Anti Essays, your source for research papers, essays, and term paper examples.

DATABASE SYSTEM

DATABASE CONCEPTS
  1. Data
  A. Refers to raw facts.  
  B. Raw indicates that the facts are not yet been processed to reveal their meaning.
  C. There are 2 kinds of data in DBMS:
      1. Structured: text, numbers and dates
      2. Unstructured: images, videos and documents

  2. Information
  * Is the result of processing raw data to reveal its meaning.
  * To reveal the meaning, information requires context.
  * Information can be used as the foundation for decision making.
  * The key to a good decision making is its accuracy, relevance and timely information.

  3. Data Management
  * Is a discipline that focuses on the proper generation, storage, and retrieval of data.
  * Efficient data management typically requires the use of a computer database.

  4. Database
      * Is a shared integrated computer structure that stores a collection of
  a. End-user data that is, raw facts of interest to the end user.
  b. Metadata, or data about data, through which the end-user data are integrated   and managed.
  * Is a method of storing data on auxiliary storage so as to minimize the disadvantages that would be present if using data files tied directly to particular programs.

  5. Metadata
  * Provides a description of the data characteristics and the set of relationships that link the data found within the database.
  * Metadata present a more complete picture of the data in the database.

  6. Database Management System
  * Is a collection of programs that manages the database structure and controls access to   the data stored in the database.
  7. Field
  * A character or group of characters (alphabetic or numeric) that has a specific meaning.
  * A field is used to define and store data.

  8. Record
  * A logically connected set of one or more fields that describes a person, place or thing.
  9. File
  * A collection of related records.

ADVANTAGES OF THE DBMS
  1. Improve...

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