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

Define checkbox in html, Q. Define Checkbox in html? Checkboxes are use...

Q. Define Checkbox in html? Checkboxes are used when one or more out of the group of options is to be chosen. Building Check boxes is very similar to radio buttons. Figure expl

Computer Network, Write a short notes on transition from IPv4 to IPv6

Write a short notes on transition from IPv4 to IPv6

Terminates a particular pvm process, Q. Terminates a particular PVM process...

Q. Terminates a particular PVM process? int pvm_kill( int tid ) Terminates a particular PVM process. tid Integer task identifier of PVM process to be killed (not itself).

The new optimal solution, Electrocomp's management realizes that it forgot ...

Electrocomp's management realizes that it forgot to contain two critical constraints. In particular, management decides that to make sure an adequate supply of air conditioners for

Give the difference b/w multiprogramming and multiprocessing, Give the diff...

Give the difference between multiprogramming and multiprocessing. A multiprocessing system is a computer hardware configuration which contains more than one independent proc

Computer graphics, source code for IMPLEMENTATION FOR ELECTROMAGNETIC INDUC...

source code for IMPLEMENTATION FOR ELECTROMAGNETIC INDUCTION

Decision trees, Decision Trees: Visualize you only ever do four things...

Decision Trees: Visualize you only ever do four things at the weekend such as go shopping or watch a movie or play tennis and just stay in. In such case what you do depends on

What are subroutines, What are subroutines? Subroutines are program mo...

What are subroutines? Subroutines are program modules, which can be known  from other ABAP/4 programs or within the similar program.

Determine the binary equivalent of hexadecimal FA, The binary equivalent of...

The binary equivalent of (FA) 16   is ? Ans. (FA) 16 = (11111010) 10

Why do we need registers, Why do we need Registers? If t cpu is cycle...

Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl

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