Question

7: Select the Correct statements about
datawarehousing
a.In a destination-driven architecture for gathering
data, the data sources transmit new information
b.A data warehouse is a repository (or archive) of
information gathered from multiple sources, stored
under a unified schema, at a multiple site
c. In a source-driven architecture, the data
warehouse
periodically sends requests for new data to the
sources
d. Data sources that have been constructed
independently are likely to have different schemas.​

Answer 1

Answer:

For the past three decades, the data warehouse architecture has been the pillar of corporate data ecosystems. And, despite numerous alterations over the last five years in the arena of Big Data, cloud computing, predictive analysis, and information technologies, data warehouses have only gained more significance. Today, there are more possibilities available for storing, analyzing, and indexing data, but the importance of data warehousing cannot be denied.

This article will discuss the basic concepts of data warehouse architecture, types, characteristics, and major components of data warehouse architecture and see how they can help you build your data warehouse project. First, let’s get started by understanding the concept of a data warehouse.

Explanation:

A data warehouse is a repository that includes past and commutative information from one or multiple sources. This repository can be used by the employees of the organization for analysis, drawing insights, and future forecasting.