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

Integrated services digital network service, Whole idea of ISDN is to digit...

Whole idea of ISDN is to digitize the telephone network to permit transmission of video, audio and text over existing telephone lines. The purpose of ISDN is to provide fully integ

What happens if acknowledge() is called within a transaction, As per the JM...

As per the JMS specification, when you are in a transaction, the acknowledge Mode is ignored. If acknowledge() is known as within a transaction, it is ignored.

What is a accepting computation history, What is a accepting computation hi...

What is a accepting computation history?  An accepting computation history is explained as , Let M be a Turing machine and w be a input string,  for M on w is a sequence of con

Explain a full subtractor using half subtractors, Draw the logic diagram of...

Draw the logic diagram of a full subtractor using half subtractors and explain its working with the help of a truth table Ans: Full Subtractor: It has to take care of repe

What is normal form, What is normal form? A normal form is a guideline ...

What is normal form? A normal form is a guideline for relational database tables that enhances data consistency. As tables satisfy higher levels of normal forms, they are less

What are the input devices, What are the Input devices Various devices ...

What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi

What is the vertical organizational structure, What is the Vertical Organiz...

What is the Vertical Organizational Structure? This is a traditional approach that is typified by a functional approach to work in that departments work onto tasks relevant to

Neural network programming using matlab, I need the matlab basics for crea...

I need the matlab basics for creating and configuring a neural network with 2 hidden layers

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