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

Define interrupt and isr, Define interrupt and ISR? An interrupt is a r...

Define interrupt and ISR? An interrupt is a request from an I/O device for service by the processor. The processor gives the requested service by implementing the interrupt ser

What is the use of urgent pointer in tcp segment, What is the use of urgent...

What is the use of urgent pointer in TCP segment? For accommodation out of band signaling, TCP permits the sender to identify data as urgent, implies that the receiving program

Explain real time systems, Q. Explain Real time system? A real time sys...

Q. Explain Real time system? A real time system defines an interactive processing system with severe time limitations. A real-time system is used whenever there are rigid time

Avantages of oopl in a programming language, Object oriented programming la...

Object oriented programming languages directly show the real life objects. The features of OOPL as inheritance, polymorphism, and encapsulation makes it strong.

Optimality - heuristic search strategies, Optimality - Heuristic search str...

Optimality - Heuristic search strategies: The path cost of a solution is considered as the sum of the costs of the actions that led to which solution is given. This is only on

What is dynamic random access memory, What is dynamic random access memory ...

What is dynamic random access memory Computer memory today comprises mainly of dynamic random access memory (DRAM) chips which have been built into multi-chip modules that are

What is called all exceptions in java, Al l exceptions in Java are subclass...

Al l exceptions in Java are subclasses of built in class called? Each exception in Java are subclasses of make in class termed as Throwable.

What is analysis and list its sub stages, What is analysis, list its sub st...

What is analysis, list its sub stages? Understand the requirement by constructing models. The goal of analysis is to state what need is to be done and not how it is to be done.

Risc approach - computer architecture, RISC Approach - computer architectur...

RISC Approach - computer architecture: The RISC processors only use easy instructions that can be executed within one clock cycle. therefore, the "MULT" command discussed abov

Define miss rate, Define miss rate? It is the number of misses' states ...

Define miss rate? It is the number of misses' states as a fraction of attempted accesses.

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