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

Where signalling transfer point exist, Signalling transfer point (STP) exis...

Signalling transfer point (STP) exist in (A) Strowger exchange                  (B)  SS7 (C)  Local area network                 (D)  PABX Ans: STP that is stand f

Define wide area network, Q. Define Wide Area Network? Wide Area Networ...

Q. Define Wide Area Network? Wide Area Network (WAN): It takes a large geographical area and frequently owned by a state. Data transfer rate is low (few KBPS to 10 MBPS) and er

How color depth impacts on image quality and file size, Question : 1. ...

Question : 1. Define the term Color Depth. Explain how it impacts on image quality and file size. 2. Using an appropriate example, explain when you will consider using GIF

Disc shapes and diameters - computer architecture, Disc shapes and diameter...

Disc shapes and diameters:     A Mini-CD is 8 centimeters in diameter. The digital data on a CD start at the center of the disc and proceeds toward the edge, whi

Fitness function - canonical genetic algorithm, Fitness function - canonica...

Fitness function - canonical genetic algorithm: Conversely the fitness function will use an evaluation function to calculate a value of worth for the individual accordingly th

Define parallel programming, Conventionally software has been written for s...

Conventionally software has been written for serial computation in that programs are written for computers which have a single Central Processing Unit (CPU). Here the problems are

Desirable choice for the partitioning element in quick sort, A desirable ch...

A desirable choice for the partitioning element in quick sort is First element of the list.

Use of arrays in assembly, An array is referencing using a base array value...

An array is referencing using a base array value as well as an index. To simplify addressing in arrays 8086 has provided two index registers for mathematical computations viz. BP a

Granularity-concept of parallel execution and concurrent , Granularity ...

Granularity Granularity refers to the quantity of computation done in parallel relative to the dimension of the entire program. In parallel computing, granularity is a qualitat

Describe the term- macros, Describe the term- Macros A macro is a key o...

Describe the term- Macros A macro is a key or name which signifies a series of commands or key strokes. Many applications allow single nominated key or single word on a keyboar

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