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

How can i handle floating-point exceptions gracefully, 'On many systems, yo...

'On many systems, you can describe a function matherr which will be known as when there are certain floating-point errors, like errors in the math routines in .

History of parallel computers, History Of Parallel Computers The test ...

History Of Parallel Computers The test with and implementations of the utilize of parallelism started year back in the 1950s by the IBM.  The IBM enlarges computers also calle

Illustrate characteristic tables of flip-flops, Q. Illustrate Characteristi...

Q. Illustrate Characteristic tables of flip-flops? Excitation Tables Characteristic tables of flip-flops present the subsequent state when inputs and present state are kno

What are two reasons for using layered protocol, What are two reasons for u...

What are two reasons for using layered protocol? Layered protocol implies protocols used into each layer are the layer's own business that is they don't influence protocol of a

Multidimensional arrays defined in terms of an array, How is multidimension...

How is multidimensional arrays defined in terms of an array of pointer? An element in a multidimensional array like two-dimensional array can be shown by pointer expression as

Binary tree can be converted in to its mirror image, A binary tree can be c...

A binary tree can be converted in to its mirror image By traversing it in Preorder

Write a recursive algorithm, Write a recursive algorithm to count the numbe...

Write a recursive algorithm to count the number of right children in a binary search tree. Write the method levelCount whose header is given below. Method levelCount returns

Instruction level-levels of parallel processing, Instruction Level It r...

Instruction Level It refers to the condition where different instructions of a program are implemented by different processing elements. Most processors have numerous execution

What do you mean by video memory, Q. What do you mean by Video Memory ? ...

Q. What do you mean by Video Memory ? As declared before video memory is also entitled framebuffer since it buffers video frames to be displayed. The quality of a video display

What do you mean by best fit, What do you mean by best fit?  Best fit a...

What do you mean by best fit?  Best fit allocates the smallest hole that is big enough. The whole list has to be searched, unless it is sorted by size. This method makes the sm

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