Thursday, February 4, 2010

Database Definitons.

1. Definitons

Field- A space allocated for a particular item of information,

Record- Composed of fields, each one contains one item of information.

File- Collection of information that has a name.

Query- A request for information from a database.

Databse- A collection of organised information stored in a system.

Report- Formatted and organised presentation of data.

DBMS (database management system)- A program which allows you store and modify the information a database.

Data Dictionary- Contains a list of all files in the database, the number of records in each file, and the names and types of each field.

Data Type- The different types of data. eg. texts are alphanumeric.



2. Database





3. Commonly used databases.
  • contact numbers stored in a mobile phone
  • Google
  • electronic games. -Mario Kart; menu-players-character-vehicle-auto/manual-race-cup- course-PLAY!
  • school website
  • iTunes.

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