IST 210 Ch.1 - Keary Hoffman IST 210 1 Data Raw facts(facts...

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Keary Hoffman IST 210 1. Data –Raw facts(facts not yet been processed to reveal meaning Field- Character or group of characters that has a specific meaning. Record- Logically connected set of one or more fields that describes a person, place, or thing File- Collection of related records. 2. Data redundancy exists when the same data are stored unnecessarily at different places. 3. Data access programs are subject to change when any of the file’s data storage characteristics change, the file system is said to exhibit data dependence. Which data independence exists when it is possible to make changes in the data storage characteristics without affecting the application program’s ability to access the data. 4. DBMS database management system is a collection of programs that manages the database structure and controls access to the data stored in the database. It helps manage the cabinet’s contents 5. Structural independence exists when it is possible to make changes in the file structure
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