Grouping Data by Foreign Key and Date with Total by Date Using Conditional Aggregation

Updating Nested Arrays in PostgreSQL: A Step-by-Step Approach to Avoiding Unexpected Behavior

Creating a Loop that Iteratively Aggregates Data for Sequentially Larger Cluster Sizes in R

SQL Window Functions: Summing Values Across Categories Within a Variable

Selecting Minimum Value from Each Hour Block in PostgreSQL Datasets

Finding Duplicate Records in a Database: A Comprehensive Approach

How to Remove Matching Rows Between Aggregated and Non-Aggregated Columns Using CTEs