Big data and data analytics:
**Big data: Innovation, cpmpetition, productivity.
Size is beyond the ability of database software to capture, store, mgt and analyse.
e.g 区块链Block chain--B corn
High- volume, high-velocity and high- variety information asset.---cost effective, innovative forms of information processes.
To audit:
*** to examine a complete data set- 100%, trends graphically.
****internal control process still needed when 100% test