SQL Server 2019 Random Number per Group: A Customized Solution Using Window Functions and Calculations

Optimizing SQL Queries: N+1 Joins vs Join-Based Aggregations for Better Performance

Counting Occurrences of 'X' or 'Y' in One Column Using Conditional Logic

Query String Split: A Deep Dive into SQL Server's STRING_SPLIT Function

Understanding Foreign Key Relationships in Database Design with 1:0-1 Relationships

Creating Custom Tables with JOINS: A Practical Guide for SQL Beginners

Pivoting Data in SQL vs R: Which Approach is Faster?

SQL Recursive Common Table Expression (CTE) Tutorial: Traversing Categories

Creating Tables with Primary and Foreign Keys in MySQL: A Step-by-Step Guide to Ensuring Data Integrity and Consistency

How to Change the View of a List in SQL: Using String Splitting Functions and Dynamic Pivot Operations