Bitmaps are very useful in start schema to join large databases to small databases. Answer queries and bit arrays are used to perform logical operations on the databases. Bit map indexes are very efficient in handling Gender differentiation; also repetitive tasks are performed with much larger efficiency.
Explain about Encoding technique used in bitmaps indexes?
Explain about the view selection problem?
Explain about aggregations?
What is ROLAP?
Explain about MOLAP?
Explain about the functionality of OLAP?
Explain about OLAP?
What is sparsity? a) A condition when each cell of the cube is filled with data and that leads to more processing time. b) A condition when each cell of the cube is not filled with data and that leads to less processing time. c) A condition when each cell of the cube is not filled with data and that leads to more processing time. d) A condition when each cell of the cube is not filled with data.
What is the other name for OLAP cube? a) Multidimensional cube b) Hyper cube c) Cube d) Both 1 and 2
What is OLAP?
rendc.org
Whether it is technological solutions or user-oriented innovations, We have put together for you the best sources of HR Interview Questions and Answers, Tech Ideas, and Programming Tutorials."
Get all the latest information on rendc.org
© 2022 | All rights reserved.
RENDC
welcome to www.rendc.org
