Rolling Time Window with Distinct Count in Big SQL using DENSE_RANK() Function

Finding the Club with the Minimum Count Using SQL: A New Approach

Using Aggregate Functions and Joining Tables to Find Matching Department Hires

Filling Gaps in Intraday Stock Data with DB2: A SQL Solution

Generate Unique IDs Using Row Number() Function in DB2 SQL

Splitting Overlapping Dates in SQL: A Comparative Analysis of SQL Server and Oracle/DB2 Solutions

Solving the SQL Join Puzzle: 3 Approaches for Two Queries Returning No Results

Simplifying Complex Column Queries Using Common Table Expressions

Working Around Limitations: Using Stored Procedures and Functions in AS400 SQL