Understanding OLAP 🥊
It stands for Online Analytical Processing. This is a key term in a Data Engineer's vocabulary.
OLAP databases store historical data inputted by OLTP (Online Transaction Processing systems).
They allow users to view different summaries of multi-dimensional data. With OLAP, you can extract information from large databases and analyze it for decision-making.
It also enables users to execute complex queries to extract multi-dimensional data.
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