This project explores the Brazilian E-Commerce Public Dataset (Olist) using PostgreSQL to perform structured data analysis. It involves querying multiple interrelated tables to generate insights into ...

According to Phua, mayors operate "as a regional office" that looks at the entire district, allowing CDCs and mayors to "aggregate the needs of the district" and "find some common areas".

# NEW QUERY (count function: count all employees hired in 1995) ...

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