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 bus arbitration, Q. What is Bus arbitration? In this technique,...

Q. What is Bus arbitration? In this technique, I/O interface first needs to control bus and only after that it can request for an interrupt. In this technique because only one

Information gain, Information Gain: Now next here instantly return to ...

Information Gain: Now next here instantly return to the problem of trying to determine the best attribute to choose for a particular node in a tree. As in the following measur

Deta sturcture, algorithm of travalling salesman problam

algorithm of travalling salesman problam

Explain procedure level of parallel processing, Procedure Level Here, p...

Procedure Level Here, parallelism is obtainable in the form of parallel executable procedures. In that case, design of algorithm plays a key role. E.g. every thread in Java is

Example on hamming error correcting code, Q. Example on hamming error corre...

Q. Example on hamming error correcting code? For illustration a 4-bit matching word can stand for 2 4 =16 values that range from 0 to 15 as: 0000, 0001, 0010, 0011, 0100, 01

Write heterogeneous functions, Write "heterogeneous" functions If a pro...

Write "heterogeneous" functions If a program uses simulated, dynamically allocated multidimensional arrays, it becomes possible to write "heterogeneous" functions which don't h

Define the advantages of assembly language., Highlight the advantages of as...

Highlight the advantages of assembly language. The benefits of assembly language program would be Reduced errors Faster translation times Changes could be made fas

Explain magnetic read and write mechanisms, Q. Explain Magnetic Read and Wr...

Q. Explain Magnetic Read and Write Mechanisms? Data are recorded on and then retrieved from disk via a conducting coil called the head. In numerous systems there are two heads,

State the hardware faults and softwate faults, State the hardware faults an...

State the hardware faults and softwate faults - protection against hardware faults could be to keep backups or use GFS; use of UPS (in case of power loss) and parallel system a

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