Explain about aggregations, Computer Engineering

Assignment Help:

OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating and changing the data with the dimensions. Possible combination of aggregations can be determined by the combination possibilities of dimension granularities. 

 


Related Discussions:- Explain about aggregations

Explain register marker, Explain Register marker. Register marker: St...

Explain Register marker. Register marker: Strowger selectors doing searching and counting. Conversely, the crossbar switch has no 'intelligence'. Something external to the

Illustrate the basic structure of the von neumann machine, Illustrate the b...

Illustrate the basic structure of the von Neumann machine The following figure shows basic structure of the von Neumann machine. A von Neumann machine has only a single path be

What is analysis iteration, Analysis Iteration   To understand any prob...

Analysis Iteration   To understand any problem completely you have to repeat task which implies that analysis requires repetition. First, just get overview of problem, make a r

Explain frequency division multiplexing, Explain FDM and show how CCITT sta...

Explain FDM and show how CCITT standards help in building the base band? Frequency Division Multiplexing: This is the process of combining some information channels through s

What are the steps include constructing a functional model, What are the St...

What are the Steps include constructing a Functional Model Recognize input and output values Build data flow diagrams which shows functional dependencies Explain

Cache misses - computer architecture, Cache Misses Compulsory misse...

Cache Misses Compulsory misses -  it is caused by initial access to a block that has never been in the cache (also called cold start misses Capacity miss - it is cause

What is external modems, Q. What is External Modems? External Modems: M...

Q. What is External Modems? External Modems: Modems externally associated to PC via a parallel or serial port and into a telephone line at the other end.  They can generally co

How many and gates are required to realize Y = CD+EF+G, How many AND gates ...

How many AND gates are required to realize Y = CD+EF+G ? Ans. Y = CD + EF + G for realize this two AND gates are needed (for CD and EF).

Explain cell spacing and cell padding, Q. Explain Cell Spacing and Cell Pad...

Q. Explain Cell Spacing and Cell Padding? Couple of attributes known as CELLSPACING and CELLPADDING. Both are part of tag. CELLPADDING is the amount of space between

What is cts and cls, What is CTS and CLS? CLS stands for common langua...

What is CTS and CLS? CLS stands for common language specification CTS stands for common type system.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd