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

Classify process and differentiate program, Classify Process, differentiate...

Classify Process, differentiate program, process A process maybe concerned to be a program being run. A program isn't a process of itself; it's a passive Entity while the proce

Determine maximum possible time of 4-bit synchronous counter, A 4-bit synch...

A 4-bit synchronous counter uses flip-flops with propagation delay times of 15 ns each.  The maximum possible time required for change of state will be ? Ans. 15 ns since in sy

I printout the formulas in an excel spreadsheet, How can I printout the for...

How can I printout the formulas in an Excel spreadsheet - rather than the results? Ans) The trick is to change the way Excel shows the worksheet before you choose to print. Ch

Back propagation learning routine, Back propagation Learning Routine - Aart...

Back propagation Learning Routine - Aartificial intelligence As with perceptrons, the information in the network is stored in the weights, so the learning problem comes down to

Properties of electronic cash, Properties : 1.  Monetary Value: Monetar...

Properties : 1.  Monetary Value: Monetary value must be backed by also cash, bank - authorized credit cards or bank certified cashier's cheque. 2.  Interoperability: E-cash

What is the purpose of the cpu, Problem 1 a) What is the purpose of th...

Problem 1 a) What is the purpose of the CPU and what can the CPU perform. b) Name the two most common types of software and briefly illustrate each one. c) The CPU con

Write an interrupt routine to handle division by zero, Q. Write an interrup...

Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.

protects against transcription, The last digit of a credit card number is ...

The last digit of a credit card number is the check digit, which protects against transcription errors like an error in a single digit or switching two digits. The following method

Objectives-interconnection network, Objectives After examining this uni...

Objectives After examining this unit, learner's will be able to understand discuss the importance and needs of interconnection network; explain the part of interconn

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