The multiway. array aggregation or simply MultiWay method computes a full data cube by using a multidimensional array as its …
Read moreWrite a short note on multiway array aggregate for All cube computation.
The following are general optimization techniques for the efficient computation of data cubes. Technique One (sorting, hashing, and grouping)— Sorting, …
Read moreWhat are general optimization techniques for the efficient computation of data cubes?
Data warehouse systems use back-end tools and utilities to populate and refresh their data. These tools and facilities include the …
Read moreThe Data warehouse used some tools. What are the functions?
A recommended method for the development of data warehouse systems is to implement the warehouse in an incremental and evolutionary …
Read moreDescribe the recommended approach for data warehouse development.
The top-down development of an enterprise warehouse serves as a systematic solution and minimizes integration problems. However, it is expensive, …
Discussion in brief various types of the data warehouse. From an architecture point of view, there are three data warehouse …
Read moreWhat are different types of data warehouse models, from the architecture point of view?
Metadata is to the data warehouse what the card catalog is to a traditional library. It serves to identify the …
Read moreDiscuss the role of metadata in the data warehouses.
A virtual warehouse is a set of views over an operational database For efficient query processing, only some of the …
Various architectural components of a data warehouse are shown in fig. 2.11 and explained below — Load Manager The load …
Read moreWhat is the architectural component of a data warehouse?
Data warehouse function and data flow within the data warehouse is as follows 1. Extract and Load Data Data. extraction …
Read moreDiscuss data warehouse functions and explain the data flow within the data warehouse.