[Retracted] Applications of Big Data in Economic Information Analysis and Decision-Making under the Background of Wireless Communication Networks

Table 2

Big data model.

Ad hoc analytics	Relational databases	Big data sets
Data volume	Megabytes-gigabytes	Terabytes-petabytes
Data velocity	Near-real-time updates (seconds)	Real-time updates (milliseconds)
Data variety	Structured data	Structured and unstructured data
Data model	10s of tables/variables	100s-1000s of tables/variables