1.

Why do we need a data warehouse instead of a database?

Answer»

A data warehouse is DESIGNED to separate the analysis of BIGGER data and processes the query from the transactional processes that are focused on writing.
We opt data warehouse instead of a database because of the benefits listed below:

  • It enables historical insight.
  • Enhances the quality of Data
  • Boost the efficiency
  • Drives the revenue
  • It increases the speed of data analytics
  • It PROVIDES data security
  • It has very much higher query performance and insights
2. Which database is best for the data warehouses?

Relational database (RDBMS). This database allows you to store detailed, consolidated, and company-wide data. It is based out on the DESIGN of “Star schema” and it is established by the various data marts that are integrated through dimensions and confirmed facts.
However, the best database software for the data warehouses will DEPEND on your requirements.


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