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

Objectives-interconnection network, Objectives After examining this uni...

Objectives After examining this unit, learner's will be able to understand discuss the importance and needs of interconnection network; explain the part of interconn

Name the 7400 series TTL chip, Name the 7400 series TTL chip which is a pri...

Name the 7400 series TTL chip which is a priority encoder. Write its truth table.  Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I

The first digit of a decimal constant, The first digit of a decimal constan...

The first digit of a decimal constant must be Decimal constants having of a set of digit, 0 to 9, preceded by an optional - or + sign.

What is the sequence in which resources may be utilized, What is the sequen...

What is the sequence in which resources may be utilized?  Under normal mode of operation, a process might be utilize a resource in the following sequence:  • Request: If the

State the types of common toes deformities a, Common toes deformities are: ...

Common toes deformities are: 1. Hallux valgus: Deviation of great toe towards the second toe resulting in prominence of first metatarsal head.  Later on there is formation of

Application area of artificial intelligence, 1. The State of the Art: What ...

1. The State of the Art: What can AI do today? A concise answer is difficult because there are so many activities in so many subfields. Here we sample a few applications other

Code density and smaller faster programs, Q. Code Density and Smaller Faste...

Q. Code Density and Smaller Faster Programs? Memory was very expensive in older computer. So there was a need of less memory utilization, which is it was cost effective to have

Explain proces of defining the document page title, Q. Explain proces of de...

Q. Explain proces of defining the Document Page Title? Though the document has a file name, notice it's still labelled Untitled Document; that is because it needs an HTML docum

Over fitting considerations - artificial intelligence, Over fitting Conside...

Over fitting Considerations - artificial intelligence Left  unexamined ,  back  propagation  in  multi-layer  networks  may  be very susceptible  to over fitting itself to the

What is write-back or copy-back protocol, What is write-back or copy-back p...

What is write-back or copy-back protocol? For a write operation using this protocol during write-hit: the method is to update only the cache and to mark it as updated with an a

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