Selecting the subjects from the information packages for the first set of logical structures to be designed is called choosing the grain

Only when choosing the hardware for the data warehouse, you need to make sure it meets the scalability condition. On the contrary, no need to consider scalability when choosing the operating systems.

The process of ensuring that the selected hardware can be scaled up when the data warehouse grows in terms of the number of users, the number of queries, and the complexity of the queries is called availability.

The objective of data warehouse infrastructure is to include all the foundational elements that enable the architecture to be implemented.

ETL stands for elements of data, transformation, and loading functions in the data warehouse.

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