Implementation of Secondary Index on Cloud Computing NoSQL Database in Big Data Environment

Table 1

NoSQL database benchmark on 5 criteria.

Database	Performance	Scalability	Flexibility	Complexity	Functionality
Key-value store	High	High	High	Low	Variable
Column store	High	High	Moderate	Low	Minimum
Document store	High	Variable	High	Low	Variable
Graph database	Variable	Variable	High	High	Graph theory
Relational database	Variable	Variable	Low	Moderate	Relational algebra