Term
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Definition
| organized collection of logically related data |
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Term
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Definition
stored representation of meaningful objects.
Ex. Structured: numbers, txt, dates.
Unstructured: images, video, documents |
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Term
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Definition
| data processed to increase knowledge in the person using the data |
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Term
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Definition
| data the describes the properties and context of user data |
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Term
| What are drawbacks of using file systems to store data |
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Definition
| data redundancy and inconsistency, multiple file formats, duplication of information in different files. |
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Term
| Whats the percentage cost for maintanace |
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Definition
| 80% of information system budget is for maintenance |
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Term
| What are some problems with data storage |
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Definition
data changes in one file could cause inconsistencies.
compromises in data integrity |
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Term
| What is the solution for database problems |
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Definition
Central repository of shared data.
Data is managed by a controlling agent.
Stored in a standardized, convenient form. |
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Term
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Definition
| high level entities and relationships for the organization |
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Term
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Definition
| more detailed view, matching data structure in database or data warehouse. |
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Term
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Definition
noun form describing a person, place, object, event, or concept.
Composed of attributes. |
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Term
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Definition
| database technology involving tables (relations) representing entities and primary/foreign keys representing relationships. |
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Term
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Definition
| Computer aided software engeneering |
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Term
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Definition
| centralized storehouse of metadata |
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Term
| database management system |
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Definition
| software for managing the database |
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