Counting Continuous Occurrences of Data in SQL Server Using Window Functions and Subqueries

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

Comparing Dates with VARCHAR: Techniques and Best Practices for SQL Server Development

How to Use the WHERE Clause with Left Join Pivot in SQL Server

Understanding Performance Variance of T-SQL Functions Across Different Database Instances: A Comprehensive Guide

Understanding Sum Over Windowed Function and Its Potential Pitfalls: Avoiding Common Errors with Proper Window Specification

Selecting Latest Index for Each Unique ID in a Table Using SQL

Combining Two Selects into One: A SQL Server Optimization Technique for Improved Performance

Improving Suppression List Query Optimization for More Accurate Results

Converting "3H 30M" into 3.5: A Step-by-Step Guide to SQL Time Conversion