Complete materials for "Data Warehousing and Modeling" uni course: lectures (Inmon, Kimball, Dimensional Modeling, NoSQL), PostgreSQL labs (Star Schema), exam questions, and practical SQL solutions.

go-cardinality is a Go library that calculates the cardinality and distinct count of values in a dataset, providing efficient and accurate estimations.

Building Data Warehouse and ETL pipelines using Amazon S3 and Redshift

Proposta de implementar um sistema ETL robusto na Super Store para otimizar a gestão de dados desestruturados, melhorar a tomada de decisões e fortalecer a vantagem competitiva.

Create a time dimension table and populate it