Big Data Flashcards
What is a Fact Based Model?
a data model consisting of facts such that each fact captures a single piece of information
What are the three V’s of Big Data?
Volume, velocity and variety
Define ‘Big Data’
A catch-all term for data that won’t fit the usual containers
How is useful information extracted from Big Data?
By using machine learning techniques to discern patterns in the data
Which property of data structures in functional programs means that their value doesn’t change after instantiation?
Immutability
Why cant big data be stored using conventional databases?
conventional databases require data to conform to row and column format
Which three features of functional programming make it easier to write correct, efficient, distributed code?
Statelessness (no side effects)
Immutability (value doesnt changer after instantiation)
Support for higher-order functions
Which three features of functional programming make it easier to write correct, efficient, distributed code?
WStatelessness (no side effects)
Immutability (value doesnt changer after instantiation)
Support for higher-order functions
What is a higher-order function?
a function which takes a functions as its input and/or outputs a function
