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

What is the session, What is the session.  Session is a collection of v...

What is the session.  Session is a collection of various groups of method. Every session is assigned to a single control terminal. This terminal is either a pseudo-device. or a

Determine the output of T-flipflops in cascade, If  the input to T-flipflop...

If  the input to T-flipflop is 100 Hz signal, the final output of the three T-flipflops in cascade is ? Ans. The  final  output  of  the  three  T-flip-flops in cascade is 12.5 H

What is a linker program, What is a linker program? Ans. links the prog...

What is a linker program? Ans. links the program with other programs required for its execution is called a linker program.

Pipe and filter , How to draw the pipe and filter using data flow and it co...

How to draw the pipe and filter using data flow and it components and connectors

Name the two operations of stack, Name the two operations of stack A st...

Name the two operations of stack A stack has only two operations and they are insertion and deletion of items. The operation insertion is called push (or push-down) as it can b

By which exposing EPROM contents can be erased, EPROM contents can be eras...

EPROM contents can be erased by exposing it to ? Ans. By exposing EPROM contents to Ultraviolet rays, it can be erased. The Ultraviolet (UV) light passes throughout a window i

What are the advantagesof fact finding, What are the Advantagesof fact find...

What are the Advantagesof fact finding - Analyst obtains reliable data - It's possible to see exactly what is being done -  This is an inexpensive method in comparison o

Define google calendar, Define Google calendar Google Calendar is free,...

Define Google calendar Google Calendar is free, full featured, and easy to use. It lets the user create both personal and shared calendars, which makes it ideal for tracking bu

Write SOP& POS form of a combinational circuit, A combinational circuit has...

A combinational circuit has 3 inputs A, B, C and output F.  F is true for following input combinations A is False, B is True A is False, C is True A, B, C are

Develop system flow charts - nasa near earth object, Background Information...

Background Information The National Aeronautics and Space Administration (NASA) is the agency within the United States Government responsible for US space exploration. Within th

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