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

Calculate number of calls put through by a single server, A group of 20 ser...

A group of 20 servers carry traffic of 10 erlangs. If the average duration of a call is three minutes, calculate the number of calls put through by a single server and the group as

Difference between non-relocatable self relocatable programs, Differentiate...

Differentiate between non-relocatable self relocatable programs. A non-relocatable program is one which cannot be executed in any memory area other than the area starting at

forensics capability relevant to a honeynet server, A local government org...

A local government organisation needs to deploy a honey net. To this end you are to deploy a honeynet based on the supplied network diagram (separate download) that should give sop

Types of e-commerce , Types E-commerce generally based on advertising, sell...

Types E-commerce generally based on advertising, selling, marketing and buying, but due to the differences in needs, e-commerce has been classified according to the parties of the

Define various applications of shift register, Lists out some applications ...

Lists out some applications of Shift Register. Ans: Applications of Shift Registers: a. Serial to Parallel Converter b. Parallel to Serial Converter c. Delay li

Determine by which digits are represented in dtmf phone, In a DTMF phone, d...

In a DTMF phone, digits are represented by: (A)  Orthogonal frequencies. (B)  Orthogonal Phases. (C)  Orthogonal codes. (D)  Orthogonal pulses. Ans: Di

Average enzyme activity , Activity of a some  enzyme was calculated  in ext...

Activity of a some  enzyme was calculated  in extracts from brain, heart and lung. In every  tissue,  the activity was calculated  various  times, giving the following results (in

RISC performance using optimizing compilers, Q. RISC Performance using opti...

Q. RISC Performance using optimizing compilers? Performance using optimizing compilers: As instructions are simple compilers can be developed for efficient code organization a

When do we need to use cgi, There are innumerable caveats to this answer, b...

There are innumerable caveats to this answer, but basically any Webpage containing a form will need a CGI script or program to process the form inputs.

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