what is the difference between aggregate table and fact
table ? how do you load these two tables ?

Answer Posted / tadikonda

Diff b/w two tables is performance.

Fact tables contains million of records and retriving the
records from fact table takes time.where as aggregate table
contains limited data from all the required tables,and we
retrive the data it takes less time.

Is This Answer Correct ?    46 Yes 10 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How many project sources we can create in metadata?

569


How do you define data block size?

595


How would you write a simple stored procedure in tsql which takes a movie_id and returns all the directors associated with it?

557


What are the different types of segments?

553


How to create diff. Types of templates?

568






What is the difference between filter and lookup transformation?

622


Explain what are conformed dimensions?

576


In my report contain product name, amount, country, sales person I want to create one prompt: sales territory.( Ex: asia, us, uk, aus), but territory column is not there in my model and source if u select the asia in prompt page-ll asian country results I want in report page I discussed with my friends and colleague, they told use the static choice function still I face this problem. If u know please tell me?

601


Explain what are the vaious etl tools in the market?

496


What is real-time datawarehousing?

612


Explain piconet?

555


Explain what are the advantages data mining over traditional approaches?

696


Explain what is full load & incremental or refresh load?

539


why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.

1548


Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?

526