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 multi-threaded unix kernel, Q. What is multi-threaded unix kernel? ...

Q. What is multi-threaded unix kernel? Multi-threaded UNIX kernel: We know threads are light-weight processors demanding minimal state information comprising the processor stat

Sorting circuit along with odd-even merging circuit, Q. Sorting Circuit alo...

Q. Sorting Circuit along with Odd-Even Merging Circuit? The merge sort algorithm needs two circuits which imply that one circuit for merging and another circuit for sorting the

Different industries which use this marketing tool, What are the different ...

What are the different industries which use this marketing tool? Ans) Many dissimilar companies can use this tool for developing their business plan but it is often three main

what is lrd_stmt?, The lrd_stmt function associates a character string (ge...

The lrd_stmt function associates a character string (generally a SQL statement) with a cursor. This function sets a SQL statement to be processed.

Character and string processing instructions, Character and String Processi...

Character and String Processing Instructions: String manipulation usually is done in memory. Possible instructions comprise COMPARE STRING, COMPARE CHARACTER, MOVE STRING and MOVE

Explain booth''s multiplication algorithm, Computer Organization 1. Dr...

Computer Organization 1. Draw a flowchart of a Booth's multiplication algorithm and explain it. 2. What is the concept of memory interleaving? 3. Explain virtual memory? Expla

Explain the life cycle of a process, Explain the life cycle of a process ...

Explain the life cycle of a process Each procedure has a life cycle, which consists of execution, creation and termination phases of the procedure.  A method may create severa

Write an algorithm for the braking system, Question: a) Consider a car ...

Question: a) Consider a car having a collision detection mechanism. Write an algorithm (in simple English) to illustrate the collision detection mechanism. b) The same car

Explain physical characteristics of magnetic disk, Q. Explain Physical Char...

Q. Explain Physical Characteristics of magnetic disk? Figure below lists main features that differentiate among different types of magnetic disks. First head may either be fixe

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