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15 Cards in this Set
- Front
- Back
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dynamic database that is used by organization in it's day to day operation |
Operational database |
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static database where data is rarely modified |
Technical database |
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this model can be visualized as parent-child relationship |
Hierarchical model |
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number of value found and stored in database |
Data |
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data that has been processed thereby making it |
Information |
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organized collection of data about an entity |
File |
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smallest structure of a data |
Field |
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also known and tuple, refers to specific person, place, thing or event |
Record |
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use to represent a value that is unknown or missing |
Null |
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they exist when two or more tables have connection or association |
Relationship |
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main structure in the relational database |
Table |
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fields that serves specific purposes |
Keys |
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a field that uniquely identifies a record in the table |
Primary key |
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a special key that establishes relationship between two table |
The foreign key |
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also know as virtual table |
view |
