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 a convertor?, Converter is an application that converts distance me...

Converter is an application that converts distance measurements among metric and U.S units.

Symmetric and asymmetric encryption algorithms, Compare and contrast symmet...

Compare and contrast symmetric & asymmetric encryption algorithms. Your response should contain a brief overview of the cryptographic basis for every type of algorithm, and a compa

Explain about fat - inode, Q. Explain about FAT - Inode? Today modern P...

Q. Explain about FAT - Inode? Today modern PC comprises total capacity of nearly 40GB for storage of program and data Due to this huge capacity in place of having just one oper

Nature of intelligence, From the early AI pioneering stage the research ...

From the early AI pioneering stage the research emphasis has been on developing machines with intelligent behaviour. Machine intelligence however is hard to achieve. Some

Electrically erasable programmable read only memory- EEPROM, Electrically e...

Electrically erasable programmable read only memory (EEPROM) An EEPROM is a special type of PROM which can be erased by exposing it to an electrical charge. Like other kinds of

Rational schema, write the rational schema and draw it’s dependency diagram...

write the rational schema and draw it’s dependency diagram. Identify all dependencies.

By which the information is stored in ROM, The information in ROM is stored...

The information in ROM is stored ? Ans. By the manufacturer throughout fabrication of the device.

What is page stealing, What is Page stealing? Ans. Taking page frames o...

What is Page stealing? Ans. Taking page frames other working sets is called Page stealing.

Calculate print speed of printers, Q. Calculate Print Speed of printers? ...

Q. Calculate Print Speed of printers? Speed at which a printer prints is generally an important issue. Though the printer has to take a certain time to print. Printing time ris

What do you mean by work flow automation, What do you mean by work flow aut...

What do you mean by work flow automation? Work Flow Automation: Organizations frequently standardize processes across the association and encourage users to accept them. E

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