Computing A2

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  • Created by: Spaulsey
  • Created on: 06-06-16 12:15
Relation
A set of attributes and tuples, modelling an entity (A table)
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Attribute
A property or characteristic of an entity (Name of column in table)
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Tuple
A set of attribute values (Row in table)
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Primary Key
Attribute which uniquely identifies a tuple
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Relational Database
A collection of tables
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Composite Key
Combination of attributes that uniquely identify a tuple
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Foreign Key
An attribute in one table that is a primary key in another table
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Entity
Object, person, event or thing of interest which is recorded
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Other cards in this set

Card 2

Front

A property or characteristic of an entity (Name of column in table)

Back

Attribute

Card 3

Front

A set of attribute values (Row in table)

Back

Preview of the back of card 3

Card 4

Front

Attribute which uniquely identifies a tuple

Back

Preview of the back of card 4

Card 5

Front

A collection of tables

Back

Preview of the back of card 5
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