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

Illustrate the term EDI trading patterns, Illustrate the term EDI Trading P...

Illustrate the term EDI Trading Patterns? EDI Trading Patterns are illustrated below: a. Hubs and Spokes: Several of the prime movers into the adoption of Electronic Da

Define arithmetic pipelines, Arithmetic Pipelines The technique of pipe...

Arithmetic Pipelines The technique of pipelining can be applied to various complex and low arithmetic operations to speed up processing time. Pipelines used for arithmetic calc

Explain metadata, What is metadata? Metadata is data that explains anot...

What is metadata? Metadata is data that explains another data. Class definition is metadata. Models are inherently metadata as they explain the things being modeled.

Define the concept of typing of object oriented analysis, Define the concep...

Define the concept of Typing of object oriented analysis Typing enforces object class such that objects of different classes cannot be interchanged.  Or we can say that, class

Explain virtual packets, Explain Virtual Packets. The router can't tran...

Explain Virtual Packets. The router can't transfer a copy of a frame from one kind of network to other since the frame formats be different. More significantly, the router cann

Computer organization, using one-address instructions,write a program to co...

using one-address instructions,write a program to compute X=A-BxC

How can we use ordered lists, Q. How can we use Ordered Lists? Lists ha...

Q. How can we use Ordered Lists? Lists having numbered items are termed as ordered lists. They are used when items in the list have a natural order. They can also be used when

What is the draw back of access-3 code, Q. What is the draw back of Access-...

Q. What is the draw back of Access-3 Code? Give suggestion to over come this drawback.

Why schottky transistors preferred over other transistors , In digital ICs,...

In digital ICs, Schottky transistors are preferred over normal transistors because of their ? Ans. Lower  propagation  delay  in digital ICs, as  shottky  transistors  reduce

Determine the registers are available in machines, Determine the registers ...

Determine the registers are available in machines Typical registers, some of which are commonly available in machines. These registers are as follows:- Memory Addres

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