Week3 Flashcards
1
Q
Data audit
A
verifying the correctness or integrity of the data
Purpose
measure the quality of the data
Rationale:
Correctness
Anomalies/Outliers
2
Q
Data modelling
A
process of creating a visual representation
of either a whole information system or parts of it to
communicate connections between data points and
structures.
3
Q
Data model classes
A
Entity Relation (ER) diagram Class Diagram
4
Q
Data model types
A
Conceptual data model Abstract
Logical data model
Physical data model detailed
