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The method by which companies analyze customer data or other types of information in an effort to identify patterns and discover relationships between different data elements is often referred to as: a. The full form of OLAP is A) Online Analytical Processing Big Data Questions and Answers - Sanfoundry Listed in many Big Data Interview Questions and Answers, the best answer to this is – Open-Source – Hadoop is an ... Big Data Analytics Multiple Choice Questions and Answers One of the most introductory Big Data interview questions asked during Page 13/31. 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