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

Find 10s complement for decimal number, Q. Find 10's complement for decimal...

Q. Find 10's complement for decimal number? Adding 1 in 9's complement produces 10's complement. 10's complement of 0256 = 9743+1 = 9744. Please note on adding the number in

What is multiple interrupt lines, Q. What is Multiple Interrupt Lines? ...

Q. What is Multiple Interrupt Lines? Multiple Interrupt Lines: Simplest solution to problems above is to provide multiple interrupt lines that will result in immediate recognit

State the data flow diagramming conpects, State the data flow diagramming c...

State the data flow diagramming conpects The approach to data flow diagramming is as follows: Create a data flow diagram for each of major outputs of system Work ba

Convert the following from hexadecimal to binary, Q. Convert the following ...

Q. Convert the following from hexadecimal to binary, decimal, BCD and octal. a) 111 b) ABC.25 c) 2.C Q. Convert the following from BCD to binary, decimal, hexadecimal an

What will be the output of JK flipflop for J = 0 and K=1, For JK flipflop J...

For JK flipflop J = 0, K=1, the output after clock pulse will be ? Ans. J=0 and K=1, such inputs will reset the flip-flop, after the clock pulse. Therefore whatever be the earlie

What is link destruction, What is link destruction? Link destruction is...

What is link destruction? Link destruction is inverse of link creation. When a link is destroyed makes sure the associated objects accessible by other handles or intentionally

Task and parallel task, Task A logically discrete sector of a computati...

Task A logically discrete sector of a computational effort. A task is naturally a program or program-like set of instructions that is implemented by a processor.  Parallel

Explain automated and manual systems, Q. Explain Automated and Manual syste...

Q. Explain Automated and Manual systems? Automated and Manual systems: The system that doesn't need human intervention is known as'Automated system'. In this system whole proce

Eme, state function and path function

state function and path function

Explain elements of language grammer, Explain elements of language Gram...

Explain elements of language Grammer . As proposed through Noam Chomsky, a grammar G contains the following elements: a. A finite set N of non terminal symbols. b. A f

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