4.11 Big Data. Flashcards
1
Q
Define Big Data.
A
Catch all term for data that won’t fit in the usual containers.
2
Q
What are the “three v’s”?
A
Volume.
Velocity.
Variety.
3
Q
Define volume.
A
Too much data for it all to fit into a conventional hard drive or even a server - relational databases don’t scale well over multiple machines.
4
Q
Define velocity.
A
Data in the servers are created and modified rapidly. Servers must respond to frequently changing data within a matter of milliseconds.