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

Discuss about second generation electronic computers, Second Generation (19...

Second Generation (1954-1962) The second generation saw various significant developments at every level of computer system design, from technology used to build the basic circu

What is an compiled languages, What is an compiled languages In compile...

What is an compiled languages In compiled languages the instructions into machine code and kept them  in a separate file for later implementation. Many modern compilers can com

Why does ipv6 use separate extension headers, Why does IPV6 use separate ex...

Why does IPV6 use separate extension headers? Explain. The extension headers in Ipv6 are utilized for economy and extensibility. Partitioning the datagram functionality in sepa

What is layer, What is layer? A layered system is ordered set of virtua...

What is layer? A layered system is ordered set of virtual worlds. Every build-in terms of one's below it and providing the execution basis for one above it. The objects in ever

Recursive procedures are implemented, Recursive procedures are implemented ...

Recursive procedures are implemented by using Recursive procedures are executed by using stacks due to stacks are LIFO data structure and we require this feature to store retur

I have a user defined function that does not recalculate, Contain all the c...

Contain all the cells that your UDF depends on in the argument list. Or enter this as the first statement in your Function: Application.Volatile This will cause the functi

How and what data is collected - weather simulation, How and what data is c...

How and what data is collected - Weather simulation -  Sensors measure pressure, relative humidity, temperature and wind speed and wind direction -  Sensors are placed in w

Explain briefly the function of layers, Explain briefly the function of dif...

Explain briefly the function of different layers which are covered under end to end layer connectivity. Different layer are as follows: 1. Transport Layer:  This is res

Illustrate about sharing of structure and behaviour, Illustrate about Shari...

Illustrate about Sharing of Structure and Behaviour  One of the reasons for the popularity of object-oriented techniques is that they promote sharing at different levels. Inher

Explain in detail companding, Explain in detail companding. Companding...

Explain in detail companding. Companding: It is the process of compressing and expanding. This includes compressing the signal at the transmitter and expanding this at the re

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