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

Nanoprogramming - computer architecture, Nanoprogramming:  Second c...

Nanoprogramming:  Second compromise: nanoprogramming  it use a 2-level control storage organization  Top level is a vertical format memory  Output of the top level

Explain bernstein conditions for detection of parallelism, Bernstein Condit...

Bernstein Conditions for Detection of Parallelism For execution of a number of instructions or a block of instructions in parallel, it must be made certain that instructions ar

Explain a multiprocessing operating system, Explain a multiprocessing opera...

Explain a multiprocessing operating system? A multiprocessing system is a computer hardware configuration which contains more than one independent processing unit. Multiprocess

Create a factory function and constructor, 1) This project will use an acco...

1) This project will use an account class that has the members: string account_code; string first_name; string last_name; double balance; Provide a constructor that

What is a priority interrupt, What is a Priority Interrupt? A priority ...

What is a Priority Interrupt? A priority interrupt is an interrupt that establishes a priority over the various sources to determine which condition is to be serviced first whe

What is functional modelling, What is  Functional Modelling  We know ...

What is  Functional Modelling  We know that Data flow modelling is an ordinary technique used for analysis of a problem in software engineering. It is very useful for analyzi

What are the lists of signal available, What are the lists of signal availa...

What are the lists of signal available? Terminating and suspending method Physical circumstances Available for the Programmer Fault in power supply

How sensors uses in real time process control, How sensors uses in real tim...

How sensors uses in real time process control Sensors send data (through an analogue to digital converter - ADC) to a microprocessor or computer that decides whether or not to

What are inertial and non-inertial frame of references, Q. What are inertia...

Q. What are inertial and non-inertial frame of references? (i) Inertial (or) unaccelerated frames: Bodies in this frame follow Newton's law of intertia as well as othe

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