How to Use SQL LEAD and LAG Window Functions to Solve Gaps-and-Islands Problems

Pivoting a Column with the Status of a Case Alongside the Max Date in SQL

Using Regular Expressions in SQL Queries: A Practical Guide for Extracting Insights From Large Datasets

Understanding SQL Joins and Subqueries

Running Second SELECT Statement Based on Result of First Statement Using CTEs

Understanding Deadlocks and Transaction Management in SQL Server to Prevent Performance Issues and Ensure Data Integrity

Understanding Table Joins in SQL Server: A Comprehensive Guide

Understanding the Mysteries of NOT IN in SQL Server

Rolling Up Rows and Creating New Tables: A Step-by-Step Guide

Unioning with Stored Procedures: A Deep Dive into SQL Server's Dynamic Data Combination Technique