Improving Performance with Parent-Child Relationships in SQL

Mastering Conditional Aggregates in SQL Server: A Comprehensive Guide to Calculating Percentages

Conditional Aggregation for Sorting Data by Date with Group By: Unlocking Flexibility and Efficiency in SQL Queries

Removing Duplicate Records from Key/Value Pair Table in SQL Server Using string_agg()

SQL Server's Most Concise Syntax for Returning Empty Result Sets

Combining Two SQL Tables with Common ID Using Row Numbers and Conditional Aggregates

Stored Procedures in SQL Server: Understanding the Concept of a Check Count

Tracking User Activity in SQL Server: A Step-by-Step Guide Using Extended Events

Understanding SQL Query Execution Plans and Performance Differences between Servers: A Developer's Guide to Optimization and Troubleshooting

Generating Serial Numbers in a Column with Reset Interval of 5 Records in T-SQL