Filtering Items from a Many-to-Many Relation Table Using SQL and Postgres Arrays

Get Common IP Addresses Among Multiple Conditions Using UNION and INTERSECT Operators

Querying Date Ranges in PostgreSQL Using the Containment Operator

Using Window Functions with Summations in PostgreSQL Leaderboards

Selecting Minimum Value from Each Hour Block in PostgreSQL Datasets

Finding Actors and Movies They Acted In Using SQL Subqueries and Self-Joins: A Comparative Analysis of UNION ALL and LEFT JOIN

Conditional Assignment in SQL: A Deep Dive into Window Functions vs Self-Join Techniques for Accurate Results

Retrieving the Second Newest Record in SQL Queries Using Window Functions

Parsing SQL Tables in a Query: A Comprehensive Approach

Understanding Indexes and Their Placement in a Database: The Ultimate Guide to Boosting Query Performance