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 abstract class, What is an interface and what is an abstract class?...

What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why?   Abstract classes are closely related to interfaces. They are classe

Example of time division multiplexing, Two computers using TDM take up turn...

Two computers using TDM take up turns to send 100-bytes packet over a shared channel that operates at 64000 bits per second. The hardware takes 100 microseconds after one computer

Define emulation, Define emulation. Given a computer with a particular ...

Define emulation. Given a computer with a particular instruction set, it is possible to explain additional machine instructions and execute them with extra micro routines. Emul

Predictive modelling power, Another useful feature of an experts system ...

Another useful feature of an experts system is its predicative modelling power. The system can act as an information processing theory or model of problem solving in th

Weight training calculations, Weight Training Calculations: However we...

Weight Training Calculations: However we have more weights in our network than in perceptrons but we firstly need to introduce the notation as: w ij just to specify the weigh

Scoreboards- constrained-random verification methodology, Scoreboards- Cons...

Scoreboards- Constrained-Random Verification Methodology Scoreboards are used to verify that data has successfully reached its destination whereas monitors snoop the interfaces

Operator, write algorithm and draw flowchart for exchange the values of two...

write algorithm and draw flowchart for exchange the values of two variables.

Final implementation of object oriented modelling, Final Implementation of ...

Final Implementation of Object oriented modelling Final Implementation: At this phase, the final execution of classes and  relationships developed while object design takes

What are the end-to-end layers of osi structure, What are the end-to-end la...

What are the end-to-end layers of OSI structure? The layers 4 to 7 of ISO-OSI reference model communicate along with peer entities into the end systems. Now here is no communi

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