Shared Flashcard Set

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Unit 5 revision notes
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11
Other
10th Grade
02/26/2014

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Cards

Term
File
Definition
A collection of related structured data.
Term
Related
Definition
All the data is concerned/has the same purpose or theme.I.e. music students or cars.
Term
Structured
Definition
All the information stored has the same variety of detail for each item (student)in the file.
Term
Record
Definition
Something like a questionnaire (the details from a single person) would be a record.
Term
Field
Definition
Each separate detail e.g. students name on a questionnaire would be a field.
Term
Record structure
Definition
Each record has the same set of fields.
Term
Key field
Definition
A field that includes data like the registration number plate of a car or a student identification number.
Term
Flat file database
Definition
A collection of data held in a single table.Meaning data can only be viewed in a limited way.
Term
Relational database
Definition
Data that can be held in a number of tables where links (or relationships) are created to connect the data in different tables to each other.
Term
Primary key
Definition
The key field such as 'Registration'.
Term
Foreign key
Definition
A field that links two files and creates a relationship between them, like 'customer id'.
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