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

Digital communication systems, a pcm has the following parameters a maximum...

a pcm has the following parameters a maximum analog input frequency of 4khz maximum decoded voltage at the receiver of 2.55v minimum dr of 6db compute minimum sampling rate,minimum

COMPUTER SYSTEM, Classify computer systems according to capacity. How they ...

Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.

What is batch processing, What is Batch processing In this process, a n...

What is Batch processing In this process, a number of tasks (or jobs) are all collected together over a set period of time. They are then all loaded into the computer system (i

How to run an app in a page with existing content, There are no needs.. If ...

There are no needs.. If you need to use a Viewport you can! If you want to render components into divs... you can do that aswell.

Row-major order and column-major order of arrays, Two-dimensional array is ...

Two-dimensional array is represented in memory in following two ways: 1.  Row major representation: To attain this linear representation, the first row of the array is kept in

Performance of a parallel algorithm - number of processors, Factor which he...

Factor which helps in analysis of parallel algorithms is the total number of processors needed to deliver a solution to a provided problem. So for a given input of size let's say n

Show the fundamental process of instruction execution, Q. Show the fundamen...

Q. Show the fundamental process of instruction execution? The fundamental process of instruction execution is:  1. Instruction is fetched from memory to CPU registers (calle

Define public identifiers, Q. Define Public Identifiers? Public Identif...

Q. Define Public Identifiers? Public Identifiers: A public identifier is one which is defined within one module of a program however potentially accessible by all of the other

Illustration of code conversion, Program: A good illustration of code conve...

Program: A good illustration of code conversion: Write a program to convert a; 4-digit BCD number into its binary equivalent. BCD number is stored as a; word in memory location kno

What are the major functions of io system, What are the major functions of ...

What are the major functions of IO system?  i. Interface to the CPU and memory by the system bus.  ii. Interface to one or more IO devices by tailored data link.

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