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Which of the following OLAP systems do not exist?(a) HOLAP(b) MOLAP(c) ROLAP(d) None of the mentionedI had been asked this question in an online interview.I'm obligated to ask this question of OLAP in section Intermediate and Advanced Sql of RDBMS

Answer»

Correct choice is (d) None of the mentioned

Easiest explanation: HOLAP means HYBRID OLAP, MOLAP means MULTIDIMENSIONAL OLAP, ROLAP means relational OLAP. This means all of the above OLAP SYSTEMS exist.



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