Dynamic Transpose for Unknown Row Value into Column Name on Postgres

How to Create a Combined Dataset with Union All in Presto and PostgreSQL

Displaying the Aggregation Value of the Prior Sibling's Parent Grouping Using SQL: A Comparison of Self-Join and CTE Approaches.

Understanding the Structure of an SQL Dump File: Best Practices for Database Migration and Backup

SELECT DISTINCT ON (user_id, activity_type_id, EXTRACT(year FROM start_date_local))

Understanding PostgreSQL Query Execution Plans: A Deep Dive into Optimization and Performance.

Finding the Second Wednesday of a Month Using PostgreSQL: A Step-by-Step Guide

Unlocking the Power of Snowflake: Mastering the FILTER Function for Efficient Data Analysis

How to Optimize Data Storage and Performance Using Range Partitioning in Postgres

Using Filtering and Conditional Aggregation to Solve Complex Data Analysis Problems in PostgreSQL