Study
CS-315 route
Unit 1 · Lesson 3 of 4 13 min

Information Storage, Retrieval and Indexing

Finding one customer among twenty million in a blink is not magic; it is file organisation and a good index.

What this unit covers

Unit 1: Information Management Concepts

  1. 1 Data, Information and Information ManagementA shoebox of receipts is data; knowing which customer owes you money is information. · 11 min
  2. 2 Information Capture and RepresentationGarbage in, garbage out, so the first job is getting facts in cleanly and in a shape a computer can use. · 11 min
  3. 3 Information Storage, Retrieval and IndexingFinding one customer among twenty million in a blink is not magic; it is file organisation and a good index. · 13 min
  4. 4 Information Privacy, Analysis and ScalabilityKeeping people's data safe, squeezing insight out of it, and staying standing when twenty million users log in on salary day. · 12 min