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

Write examples of declarations of external variables, Examples of declarati...

Examples of declarations of external variables  that  are  not definitions: extern char stack[10]; extern int stkptr; These declarations tell the compiler that the variab

Find out the decimal equivalent of binary number, The decimal equivalent of...

The decimal equivalent of Binary number 10101 is ? Ans. 1x2 4 + 0x2 3 +1x2 2 +0x2 1 + 1x2 0 = 16 + 0 + 4 + 0 + 1 = 21.

What are the types of instructions, Q. What are the types of Instructions? ...

Q. What are the types of Instructions? Computer instructions are translation of high level language code to machine level language programs. So from this point of view machine

Explain the virtual memory, In computing, virtual memory is a memory manage...

In computing, virtual memory is a memory management method developed for multitasking kernels. This technique virtualizes computer architecture's various forms of computer data sto

Explain about hybrid model, Q. Explain about Hybrid model? Hybrid model...

Q. Explain about Hybrid model? Hybrid models are normally tailor-made models suiting to particular applications. In fact these fall in category of mixed models. These type of a

Explain how viewstate is being formed, Explain how Viewstate is being forme...

Explain how Viewstate is being formed and how it is keeps on client. The type of ViewState is System.Web.UI.StateBag, which is a dictionary that keeps name/value pairs. View St

What is the impact of overflow for binary numbers, Q. What is the impact of...

Q. What is the impact of overflow for binary numbers? An overflow is said to have happened when sum of two n digits number takes n+ 1 digits. This definition is perfectly appli

Device drivers in unix, Device Drivers in UNIX, MS-DOS and Windows System ...

Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i

Neural architectures, Neural architectures are appealing as mechanisms for...

Neural architectures are appealing as mechanisms for implementing intelligence for a number of reasons. Traditional AI programs tend to be brittle and overly sensitive to noise

What is cyclomatic complexity, What is cyclomatic complexity? Cyclomati...

What is cyclomatic complexity? Cyclomatic complexity is a computer science metric (measurement) developed by Thomas McCabe used to generally calculate the complexity of a progr

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