Using Isnull to Filter Data: Best Practices for SQL Query Writing

The Limitations of @@ROWCOUNT: Alternatives to Manual Row Count Manipulation

Choosing Between Pivot and Unpivot Operations: A Comprehensive Guide to Transforming Data in T-SQL

Understanding the Mysterious Case of TSQL datetime Field and How to Avoid Common Issues When Working with Dates and Times in Your Database

Understanding Row Numbers and Last Dates in SQL Queries: A Comprehensive Guide

Optimizing SQL Queries with Spatial Data Type: A Scalable Approach to Handling Overlapping Time Periods

Understanding the Problem of Immediate Blocking After Failover in SQL Server: Mitigating Performance Bottlenecks for High Availability

Optimizing Database Queries for Complex Updates Based on Filtering Conditions

Optimizing Self-Joins: A More Efficient Approach to Getting Previous NUM_FLAG

Understanding Arithmetic Overflow Error in SQL Server: Causes, Symptoms, and Solutions