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 the best way offload responsibility, What is the best way offload r...

What is the best way offload responsibility? The best way to offload responsibilities is to purchase services through a Service Provider. ISPs, customers and Service Provide

Define organizing, Q. Define Organizing? Grouping of related activities...

Q. Define Organizing? Grouping of related activities together, Identification of required activities and forming departments and coordinating various departments with the estab

Provide constructors, For this assignment, fill out the following class:   ...

For this assignment, fill out the following class:   class person { private:   string firstName;   string lastName;   int weight; public:   . . . }; You should provide cons

How does tcp take of wrapping over of sequence numbers, How does TCP take o...

How does TCP take of wrapping over of sequence numbers? To handle out of instruct deliveries, transport protocols utilize sequencing. The sending side attaches a sequence numbe

Explain handlers classification, Handlers Classification In 1977, Wolfg...

Handlers Classification In 1977, Wolfgang Handler suggested a complex notation for representing the pipelining and parallelism of computers. Handler's categorization addresses

Difference between finite automata and turing machine, What are the differe...

What are the difference between finite automata and Turing Machines?  Turing machine can alter symbols on its tape, while the FA cannot change symbols on tape.  Also  TM  has  a

Parallelism based on granularity size-granularity, Parallelism based on G...

Parallelism based on Granularity size Granularity:  Granularity or Grain size is a determine which measure how much computation is devoted in a process.Granularity size is

Explain flash devices, Explain Flash devices It is possible to read the...

Explain Flash devices It is possible to read the contents of a one cell, but it is only possible to write an whole block of cells Greater density which leads to superior cap

What is a table pool, What is a table pool? A table pool (or pool) is ...

What is a table pool? A table pool (or pool) is used to join several logical tables in the ABAP/4 Dictionary.  The definition of a pool having of at least two key fields and 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