Understanding Geotagged Location Data and Grouping Similar Entries: A Practical Approach to Counting Arrivals Over Time

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

How to Insert and Update Data in PostgreSQL Using Common Table Expressions (CTEs) and a Single Query

Efficient SQL Query for Unique Users in a Time-Series Dataset Using Window Functions and Indexing

Conditional Logic Using EXISTS

Understanding PostgreSQL Views: Why Ordering is Ignored in View Creation

Understanding PostgreSQL Recursive Functions with the WITH Statement: A Powerful Approach to Hierarchical Queries

How to Perform Interval Operations in PostgreSQL: A Step-by-Step Guide

Handling Optional Parameters in JPA SQL Queries: A Deep Dive

Selecting Minimum Value from Each Hour Block in PostgreSQL Datasets