Modeling your data in cumulative fashion would help aggregate data over time, typically at a specific grain(daily, weekly, yearly, etc). It is designed to optimize performance for analytical queries that require pre-aggregated data, such as trends or summaries over time.
A SQL-only ETL data infrastructure
This project deals with analysing movie actors data set by designing a cumulative data model.
Introduced Cumulative table design with postgres for NBA player list Starting from 1996. Enabled Historical Data Analysis, Used PostgreSQL, Advanced SQL and Complex Data like Struct for this purpose.
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