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 forensic investigation, (a) Name five important activities invol...

(a) Name five important activities involved in a digital forensic investigation. (b) Briefly describe the three types of data that a forensic examiner has to work with. Whic

Define interrupt, Define interrupt. An interrupt is any exceptional eve...

Define interrupt. An interrupt is any exceptional event that causes a CPUU to temporarily transfer control from its present program to another program , an interrupt handler th

Explain clone process, Explain Clone process. A clone process is genera...

Explain Clone process. A clone process is generated using primitive type clone by duplicating its parent process. However unlike traditional processes it might be share its con

Can a structure be used within a structure, Can a structure be used within ...

Can a structure be used within a structure? Yes , a structure can be used within a structure known as nesting of structures.

Mapping, what is transform mapping and transaction mapping?

what is transform mapping and transaction mapping?

Cascade delete options, Create a relationship among Employee and Sales tabl...

Create a relationship among Employee and Sales tables using Emp No. Enforce referential integrity and select both cascade update and cascade delete options. Save the relationship.

Explain implementation of circuits from boolean expression, Explain Impleme...

Explain Implementation of the Circuits From the Boolean Expression? If the operation of the circuit is defined by a Boolean expression, a logic-circuit diagram can he implement

Explain the term - integrity, Explain the term - Integrity In most c...

Explain the term - Integrity In most cases, corporate data should remain unchanged by third parties, so the system should be capable of ensuring that only authorised personn

System software, define the properties of interactive operating systems

define the properties of interactive operating systems

How can we read .doc document in asp.net, How can I read .doc document in A...

How can I read .doc document in ASP.Net? You can read from a text file like this.   Private void Button12_Click(object sender, System.EventArgs e) { string path="C:

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