Chapter 5 (Data) Flashcards
1
Q
Good data quality?
Problems?
A
Accurate On time On purpose Consistent Exsistent
Redundancy
Inconsistency
2
Q
Normalization
A
Streamlining complex groupings of data to minimize redundant data elements and awkward many-to-many relationships
3
Q
Big data?
A
Volume, velocity, variety
4
Q
Knowledge
A
relevant. useful, contextual information