What are different types of data warehouse models, from the architecture point of view?
Discussion in brief various types of the data warehouse. From an architecture point of view, there are three data warehouse …
data werehousing
Write a short note on multiway array aggregate for All cube computation.
The multiway. array aggregation or simply MultiWay method computes a full data cube by using a multidimensional array as its …
What are the pros and cons of the top-down and bottom-up approaches to data warehouse development?
The top-down development of an enterprise warehouse serves as a systematic solution and minimizes integration problems. However, it is expensive, …
What are general optimization techniques for the efficient computation of data cubes?
The following are general optimization techniques for the efficient computation of data cubes. Technique One (sorting, hashing, and grouping)— Sorting, …
The Data warehouse used some tools. What are the functions?
Data warehouse systems use back-end tools and utilities to populate and refresh their data. These tools and facilities include the …
Describe the recommended approach for data warehouse development.
A recommended method for the development of data warehouse systems is to implement the warehouse in an incremental and evolutionary …
Discuss the role of metadata in the data warehouses.
Metadata is to the data warehouse what the card catalog is to a traditional library. It serves to identify the …
A data warehouse is built on Historical data and is not guaranteed to be up-to-date information”. Comment.
The data warehouse is designed for strategic decision support and is largely built up from the database that makes up …
Explain various data types for data mining, with their application.
Write a short note on types of databases. There is a number of, different data repositories on .which mining can …
