Modern banking Big Data systems do not only process and store hundreds of millions of transactions per day and interact with the world trading platforms at a cosmic speed, but also involve a strict control by auditors and regulators who always demand reporting. We'll dwell on Audit-Driven Development, its origin, give a clue on how to organize a bitemporal database of facts not to fail in front of supervisory authorities and prove that there must be a built-in time machine in every modern distributed system. We'll also share a "universal formula of fact" and discover what the tasks of so called "analytics" most frequently appear to be.
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