A LEVEL COMPUTING
E-R DiagramsTheory
3. Attributes
Remember that an entity is a person, place, thing or concept about which data can be collected.
Each entity is made up of a number of 'attributes' which represent that entity.
Let us explain this a little bit more clearly by using a couple of examples.
Example 1
Example 2:
DEFINITION An attribute describes the facts, details or characteristics of an entity |
Challenge see if you can find out one extra fact on this topic that we haven't already told you
Click on this link: Database Attribute
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