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DATA WAREHOUSING FUNDAMENTALS

What are the fundamentals of data warehousing?
Fundamentals of Data Warehouses.
Three types of common data transformations within adata warehouse are: Integration – It acts as an endpoint for data from various sources such as APIs and databases.
Cleaning – Data from various sources then gets cleaned prior to consolidation to ensure data reliability._{15 fév. 2023}
What are the basic concepts of data warehouse?
A data warehouse is a centralized storage system that allows for the storing, analyzing, and interpreting of data in order to facilitate better decision-making.
Transactional systems, relational databases, and other sources provide data into data warehouses on a regular basis.
What are the 4 key components of a data warehouse?
A typical data warehouse has four main components: a central database, ETL (extract, transform, load) tools, metadata, and access tools.
Principles of Enterprise Data Warehousing
One of the primary principles of EDW is the integration of data from multiple sources into a single, unified platform.
This approach enables businesses to take advantage of all their data assets and make informed decisions based on a complete view of their operations.

What are the fundamentals of data warehousing?