Aggregating Events by Month in BigQuery Using Pivot and String Aggregation

Understanding Postgres Grouping Sets: Mastering Complex Aggregations with GROUP BY

Handling Age Ranges in Postgres: A Guide to Efficient Calculations

Extracting Top 3 Districts by Crime Count Per Year Using SQL Window Functions

Calculating Average Wait Time Per Day in PostgreSQL Using Interval Arithmetic and Aggregation

Calculating Running Sum and Updating a Column in a Loop: A Scalable SQL Solution

Understanding the Limitations of Relational Databases: A Guide to Table Ordering in Postgres

Optimizing Slow MySQL Queries with Joins and Filters

SQL Table Joins: Efficiently Combining Data from Multiple Tables

Optimizing Multiple Joins in PostgreSQL: A Deep Dive