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

How and what data is collected - weather simulation, How and what data is c...

How and what data is collected - Weather simulation -  Sensors measure pressure, relative humidity, temperature and wind speed and wind direction -  Sensors are placed in w

Interrupt handling - computer architecture, Interrupt handling: Handlin...

Interrupt handling: Handling Interrupts  Several  situations where the processor should avoid interrupt requests Interrupt-enable Interrupt-disable  Typical

What are the different types of distributing frames, What are the different...

What are the different types of distributing frames used in exchanges? The various distribution frames used in exchange are demonstrated in figure. Every subscriber in a telep

Construct a shift register from S-R flip-flops, Construct a shift register ...

Construct a shift register from S-R flip-flops. Explain its working. Ans: S-R Flip-Flop Shift Register: Shift registers can be built through using SR flip-flops. Fig.(a)

++ c, how to find the integral of a function represented by collection of e...

how to find the integral of a function represented by collection of experimental data

Which types of software programs are usually supported, Which types of soft...

Which types of software programs are usually supported? Our organization is unique in that we are very flexible and can meet most client requires relative to the integration of

Exit command, Your shell must accept the exit command. This command will ...

Your shell must accept the exit command. This command will be in the form: e x i t When you encounter this command, your shell should terminate. Please note that when you

Explain the stack in digital computers, Explain the stack in digital comput...

Explain the stack in digital computers The stack in digital computers is fundamentally a memory unit with an address register which can count only (after first value is loaded

Modus ponens rule, Modus ponens rule: In fact the general format for t...

Modus ponens rule: In fact the general format for the modus ponens rule is as follows: like if we have a true sentence that states the proposition A implies proposition B and

Data alignment in arrays, Q. Data Alignment in Arrays? Arrays are align...

Q. Data Alignment in Arrays? Arrays are aligned to templates by ALIGN directive. ALIGN directive is used to align elements of various arrays with one another denoting that they

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