Part 11 - Test 1078 Flashcards
ANSWRT
Fuzzy logic
Grey zone, partially yes or partially no
Neural networking
Computer learning things by imitating human brain, with layers of nodes
Central data repository
Huge digital storage containing all info
Query
Questions to the computer, written in a special language (computeral language)
Data warehousing
Store organized historical data, can be analyzed
Systematic laddering
Method used to dig deeper into sb’s thoughts, follow-up questions
Join
Combining data from different sources
Self join
Join with the same table, but rearrange/select wanted data
Inner join
Only returns to rows with matching
Outer join
Everything joined, left, right, and full
Equijoin
More like a technique, using a value (must be the same) to join tables
Economic indicator
Numbers/stats helping people to understand how is the economy doing
Acyclic indicator
“Weird stuff” category, the events without any pattern
Data mining stages
Refer to the table