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 …
What is the architectural component of a data warehouse?
Various architectural components of a data warehouse are shown in fig. 2.11 and explained below — Load Manager The load …
Discuss data warehouse functions and explain the data flow within the data warehouse.
Data warehouse function and data flow within the data warehouse is as follows 1. Extract and Load Data Data. extraction …
What is the concept of hierarchy How is it related to web mining?
A concept hierarchy defines a sequence of mappings from a set of – low-level concepts to higher-level, more general concepts. …
Write a comparison between Online-analytical processing and online transaction processing | OLAP vs OLTP
Comparison between OLTP and OLAP systems are as follows – OLAP vs OLTP Feature OLTP OLAP Full form Online transaction …
Differentiate between Data warehouse and operational database.
The major task of online operational database systems is to perform online transaction and query processing. These systems are called …
My Favourite Story Book Essay
The Book I Like the Most Or My Favourite Book A poet said this about books: “My never-failing friends are …
Importance of Games and Sports Essay in Points
“A sound mind in a sound body” is an old maxim. There are three aspects of human personality—the body, the mind, …
Importance of Trees Essay 300 Words (Short Essay on Trees)
Short Essay on Trees Introduction – Trees are very important to us. They give us fruits to eat and firewood …
Essay about Electricity
Introduction Electricity is the greatest invention of science. It is a miracle. Electricity has brought a great change in men’s …
