1.2 Big Data

This is revision about big data

Big Data

an extremely large data set that's too large for a traditional computer system to process 

Metadata

Data about data

Structured Data

data that has a clear format, can be organised easily, stock, sales/revenue reports 

Unstructured data

unstructured data doesn't have a clear format, hard to organise e.g. photos, audio, emails & social media posts/comments 

Variety

The mixture of data types and structured/unstructured data 

Veracity 

The trustworthiness of the data 

Velocity 

The speed at which data is collected and processed 

Volume 

The massive amounts of data generated  

Value 

The usefulness of the data