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 drive, Any data storage device. This having of  your CD-ROM drive, ...

Any data storage device. This having of  your CD-ROM drive, hard disk drive and floppy disk drive.

Define dynamic loading, Define dynamic loading. To get better memory-sp...

Define dynamic loading. To get better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded unless it is called. All routines are kept

Essential features of an algorithm, Necessary features of an algorithm: ...

Necessary features of an algorithm: 1.Input: The algorithm should take zero or more input. 2. Output: The algorithm should generate one or more outputs.  3. Definiteness:

State about agp, State about AGP The latest addition to many computer s...

State about AGP The latest addition to many computer systems is the inclusion of accelerated graphics port (AGP). AGP operates at the bus clock frequency of the microprocessor.

Design a simple digital clock., Use a timer interrupt to design a easy digi...

Use a timer interrupt to design a easy digital clock.  This clock will count only minutes and seconds, and start at 00:00 every time your program starts.  The show on the screen sh

Functions of an operating system, a) In multitasking Operating Systems, th...

a) In multitasking Operating Systems, there are two types of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Describe the two mentioned mult

Should validation occur server- side or client - side, Should validation (d...

Should validation (did the user enter a real date) occur server-side or client-side? Why? Validation will be completed in both sides i.e., at the server side and client side. S

Single instruction and multiple data stream (simd), Single Instruction and ...

Single Instruction and Multiple Data stream (SIMD) In this organisation, multiple processing elements are working under the control of a one control unit. It has multiple data

Multi-threaded concurrency programming with threads, Your task is to implem...

Your task is to implement a memory manager that manages page reads and writes from multiple client threads. In the first programming task the memory manager keeps all the pages in

What are ramps, Ramps A network planning method that makes the most wel...

Ramps A network planning method that makes the most well-organized use of manpower, materials and cash resources between several projects going on concurrently.

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