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

Computer architecture, Explain division and its restoring and non-restoring...

Explain division and its restoring and non-restoring techniques?

Advantages of using the electronic mail system, Question : a) E-mail is...

Question : a) E-mail is a common feature nowadays in IT. What does it stands for and what is it used for? b) Briefly describe four advantages of using the electronic mail s

Which is valid syntax of the fork and join primitive, Which is valid syntax...

Which is valid syntax of the Fork and Join Primitive? Ans. A valid syntax of the Fork and Join Primitive is as given below: Fork Join

Electric circuit analysis, mmmmmmmmmmmmm mmmmmmm s s s s s s s s s d d d ...

mmmmmmmmmmmmm mmmmmmm s s s s s s s s s d d d d d d d d d d d d d d f f ff g gg g g g g gg r r r rr r w ww w w ww w w

Describe attributes and properties of system, System Analysis & Design ...

System Analysis & Design 1. Describe attributes, properties, and characteristics of system. 2. What do you mean by Organizational Aspects of System Life Cycles? Explain.

Explain types of micro-instructions, Q. Explain types of Micro-instructions...

Q. Explain types of Micro-instructions? In general micro-instruction can be classifiedin two general kinds. These are non-branching and branching. After execution of a non-bran

What is neg instruction, What is NEG instruction Arithmetic sign inver...

What is NEG instruction Arithmetic sign inversion or two's complement (NEG). NEG instruction two's complements a number which means that arithmetic sign of a signed number cha

Various phases of consumer merchantile model, What are the various phases o...

What are the various phases of consumer merchantile model and also differentiate between prepurchase interaction & post purchase interaction.    There are three phase of consumer

What are different ways synchronize between two clock domain, What are the ...

What are the different ways synchronize between two clock domains? The following section describes clock domain interfacing one of the biggest challenges of system-on-chip (SOC

Define ufd and mfd, Define UFD and MFD.   In the two-level directory st...

Define UFD and MFD.   In the two-level directory structure, every user has own user file directory (UFD). Every UFD has a same structure, but lists only the files of a single u

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