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

Perceptrons of artificial neural networks, Perceptrons: However the we...

Perceptrons: However the weights in any ANN are usually just real numbers and the learning problem boils down to choosing the best value for each weight in the network. Becaus

What are the difference between $display and $strobe, What are the Differen...

What are the Difference between $display and $strobe Difference between $display and $strobe is that $strobe displays parameters at the very end of current simulation time unit

What is single program multiple data, Q. What is Single Program Multiple Da...

Q. What is Single Program Multiple Data (SPMD) SPMD is in fact a "high level" programming model which can be built on any arrangement of previously described parallel programmi

What is non-volatile bios, Nonvolatile BIOS memory refers to a small memory...

Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to kept BIOS settings. It was traditionally known as CMOS RAM because it used a volatile, low-power

What is the function of a data element, What is the function of a data elem...

What is the function of a data element? A data element defines the role played by a domain in a technical context.  A data element having of semantic information.

Inheritance, Create a new project, LastNameFirst 05, for this assignment. ...

Create a new project, LastNameFirst 05, for this assignment. You will need to define the classes depicted in the class diagram below. All of the classes should contain complete ja

Threads, First, remember that different processes keep their own data in di...

First, remember that different processes keep their own data in distinct address spaces. Threads, on the other hand, explicitly share their entire address space with one another. A

What is the future in mq if i have 2+exp, It speeds execution of distribute...

It speeds execution of distributed applications. It runs on dissimilar platforms. It time independent. No loss for msg delivery i.e. guarantee delivery.

Explain call and return statements, Q. Explain Call and Return Statements? ...

Q. Explain Call and Return Statements? CALL:       CALL X    Procedure Call to procedure/function named X   CALL instruction causes the following to happen:  1.  Decre

Logistics planning, During the Persian Gulf crisis of 1991, U .S forces dep...

During the Persian Gulf crisis of 1991, U .S forces deployed a Dynamic Analysis and Re planning Tool, DART ( Cross and Walker, 1994) to do automated logistics planning and schedu

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