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

Explain what are user controls, Briefly explain what user controls are and ...

Briefly explain what user controls are and what server controls are and the differences between the two.   An ASP.NET control (sometimes known as a server control) is a server-

Why a function should have at least one input, Why a function should have a...

Why a function should have at least one input? There is no strong reason for this in verilog. I think this restriction isn't removed fin SystemVerilog. Some requirements where

Illustrate working of synchronous counters, Q. Illustrate working of Synchr...

Q. Illustrate working of Synchronous Counters? The main drawback of ripple counter is delay in changing the value. How? To understand this let's take a case when state of rippl

Describe the advantages of java servlets over cgi interface, Describe the a...

Describe the advantages of JAVA servlets over CGI interface. The Advantage of Servlets Over "Tradi tional" CGI: Java servlets are extra efficient, easier to utilize more pow

Drawbacks to having call centres overseas, Drawbacks to having call centres...

Drawbacks to having call centres overseas -  Culture and language problems -  Animosity to overseas call centres (resulting in loss of customers) -  need for extensive r

Define parallel programming, Conventionally software has been written for s...

Conventionally software has been written for serial computation in that programs are written for computers which have a single Central Processing Unit (CPU). Here the problems are

Explain the program invisible registers, What are program invisible registe...

What are program invisible registers? Global and local descriptor tables are found in memory system. In order to specify and access the address of these tables, program invisi

What do you mean by complexity of an algorithm, What do you mean by complex...

What do you mean by complexity of an algorithm? The term complexity is used to define the performance of an algorithm. Typically performance is calculated in terms of time or s

What are called stalls, What are called stalls? An alternative represen...

What are called stalls? An alternative representation of the operation of a pipeline in the case of a cache miss gives the function performed by every pipeline stage in each cl

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