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

What is fan-out, What is fan-out? Estimate the average count of every "...

What is fan-out? Estimate the average count of every "many" association encountered with the path. Multiply the individual fan-outs who obtain the fan-out of the whole path, wh

An algorithm, find cos(x) and sin(x) an pseudocode (while loop

find cos(x) and sin(x) an pseudocode (while loop

Determine sky wave communication is prone to fading or not, Sky wave Commun...

Sky wave Communication is prone to fading, it is true or false. Ans: It is true that sky wave Communication is prone to fading.

What is an operating system, What is an operating system? An operating...

What is an operating system? An operating system is system software which provides interface between hardware and user. The operating system gives the means for the proper uti

Find the generating function, Find the generating function to denote the nu...

Find the generating function to denote the number of ways the sum 9 can be acquired while 2 distinguishable fair dice are tossed and the first shows an even number and the second s

Oo modelling, We might model such a scenario using three types of object: o...

We might model such a scenario using three types of object: one for Customers, one for BankAccounts and another for Transactions. In terms of data required, for Customers assume we

Symmetric and asymmetric encryption algorithms, Compare and contrast symmet...

Compare and contrast symmetric & asymmetric encryption algorithms. Your response should contain a brief overview of the cryptographic basis for every type of algorithm, and a compa

Collision free network, Hello Sir/Mam, Actually i am trying to implement th...

Hello Sir/Mam, Actually i am trying to implement the concept of MAC layer protocols in NS2..... But unfortunately i am not able to do that.... and not even able to get the code fo

Is the data bus is bi-directional, The data bus is Bi-directional because t...

The data bus is Bi-directional because the similar bus is used for transfer of data among Micro Processor and memory or input / output devices in both the direction.

Find out the number of control lines for 32 to 1 multiplexer, The number of...

The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.

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