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

Concurrently read concurrently write, Q. Concurrently read concurrently wri...

Q. Concurrently read concurrently write? It is one of the models derived from PRAM. In this model the processors access the memory locations simultaneously for reading and writ

Determine the benefits of mainframe computers, Determine the benefits of ma...

Determine the benefits of mainframe computers Government agencies, large businesses, and universities usually use this type of computer. So: This computer is common t

Describe the three mapping techniques, Describe the three mapping technique...

Describe the three mapping techniques used in cache memories with suitable Example. The cache memory is a fast memory that is inserted among the larger slower main memory and t

First-order models, First-Order Models: Here if we proposed first-orde...

First-Order Models: Here if we proposed first-order logic as a good knowledge representation language than propositional logic is just because there is more expressive than we

Where the grade of service is measured, The grade of service is measured in...

The grade of service is measured in (A) Percentage (B) Number (C) Fractional Number (D) Logarithmic Number Ans

What is meant by maskable interrupts, A interrupt that can be turned off by...

A interrupt that can be turned off by the programmer is called as Maskable interrupt.

Define deadlock with resource request and allocation graph, Define Deadlock...

Define Deadlock with Resource request and allocation graph (RRAG) Deadlocks can be described through a directed bipartite graph termed as a RRAG that is Resource Request All

Explain about the voice recognition device, Explain about the Voice recogni...

Explain about the Voice recognition device Blind and partially-sighted people can communicate with a computer using microphone and software (keyboard and touch screens can't be

Explain properties of the webservice attribute, Question: (a) (i) Expl...

Question: (a) (i) Explain properties of the WebService attribute. (ii) Discuss three properties of the WebMethod attribute. (b) What are WSDL documents used for? (c)

Explain the difference between a subroutine and macro, Explain the differen...

Explain the difference between a subroutine & macro. It is inefficient to have to write code for standard routines. For instance reading a character form the keyboard or savin

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages