Understanding Collations in SQL Server: Avoiding the German 'ß' Problem with NVARCHAR Conversion

Merging Two Rows into a Single Row Using SQL: Strategies for Handling Multiple Matches and NULL Values

Calculating Sales per City and Percentage of Total Using SQL Server

Understanding the Power of CTEs and @Table Variables in SQL Queries

Using Results of an `exec` Query as a Join or "IN" Statement in SQL Server

Calculating Development Column from Previous Two Columns in SQL Using Window Functions and Conditional Aggregation

Unlocking Efficient Data Matching: A Clever Use of Left and Right Joins in SQL

Understanding PATINDEX in SQL Server: A Guide to Searching Six Continuous Numeric Values

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

Optimizing SQL Queries with Common Table Expressions (CTEs)