CS39 1st Quiz Flashcards
What type of data:
Standardized
Structured
What type of data:
Clearly defined
Structured
What type of data:
Searchable
Structured
What type of data:
Comply with a predefined format
Structured
What type of data:
Do not have a predefined data model
Unstructured
What type of data:
Stored in its native format or in unstructured raw formats
Unstructured
What type of data:
Data based on location and geographical coordinates
Geospatial
Discrete measurement, fact, or observation representing a real-world process
Data
Unprocessed facts or figures
Data
Created when data is analysed and usually combined with other data to extract meaning and provide context
Information
Objective piece of information that is verifiable and can be proven true or false through evidence
Fact
Subjective belief or judgement that reflects an individual’s thoughts, feelings, or interpretations
Opinion
Choice or liking for one thing over another, influenced by personal taste and doesn’t involve a broader judgement or belief
Preference
Widely accepted practice or standard
Convention
Examines historical data to understand what happened
Descriptive Analysis
Most common type of analytics
Descriptive Analysis
Examines data to understand why something happened
Diagnostic Analysis
Uses statistical models and machine learning to forecast what might happen in the future
Predictive Analysis
Analytics that provides recommendations to achieve a desired outcome
Prescriptive Analysis
A single repository of organisational data
Data Warehouse
Integrated data from multiple sources (internal and external) and organised it around business processes
Data Warehouse
Handles daily transactions in real-time, often in enterprise applications.
OLTP (Online Transaction Processing)
Primarily used for data analysis and decision-making, involving complex queries on historical data stored in data warehouses.
OLAP (Online Analytical Processing)