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

What is a digital multiplexer, What is a digital multiplexer?  Ans: ...

What is a digital multiplexer?  Ans: Multiplexer: Data selector or MUX is a logic circuit selects binary information from one of several input and directs this to a sing

Name the popular security measures, Name the popular security measures ...

Name the popular security measures A number of security products covering a broad range of methods are available in the market. Most popular of all the security measures are th

What are function modules, What are function modules? Function m...

What are function modules? Function modules are general-purpose library routines that are available system-wide.

Illustrate process of swapping system, What does the swapping system do if ...

What does the swapping system do if it identifies the illegal page for swapping? If the disk block descriptor does not have any record of the faulted page, then this causes the

What are the different types of bios, The  most common types are the AWARD,...

The  most common types are the AWARD,AMI, AND phoenix

Determine the concepts of object oriented analysis, Determine the concepts ...

Determine the concepts of Object Oriented Analysis  In OOA the initial focus is on identifying objects from the application domain, after that fitting those procedures around

what is feram?, Ferroelectric RAM is a random-access memory same in constr...

Ferroelectric RAM is a random-access memory same in construction to DRAM but uses a ferroelectric layer rather of a dielectric layer to achieve non-volatility. FeRAM is one of a gr

Command mode to insertion mode using vi editor, How to enter from command m...

How to enter from command mode to insertion mode using Vi Editor? Ans) There are various commands that put the VI editor into insert mode. The most usually used commands to get

Why we use modem, Q. Why we use Modem? A Modem is one device which most...

Q. Why we use Modem? A Modem is one device which most computer users who have surfed Internet are aware of.  A modem is neededsincehowever most of telecommunications have becom

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