Joining Tables When Certain Conditions Must Be Met: A SQL Server Example

Joining Queries as New Columns: Simplifying Data Manipulation with Derived Tables

Using Case Expressions to Simplify Aggregate Functions in SQL

Optimizing Catch-All Queries in SQL Server: Best Practices and Techniques

Using the CASE Expression in SQL to Count Values

Optimizing Data Selection: Two Solutions for Efficient Table Joins Without COALESCE, INTERSECT, or EXCEPT

Simplifying Complex SQL Queries with Single Cross Apply/Case Expressions in SQL Server

Replacing Specific Strings in Two Columns While Preserving Main Article Number Using SQL Server Techniques.

Extracting Top 3 Most Frequent Values from Columns in a SQL Table Using Conditional Aggregation

Retrieving Schema Names and Stored Procedure Definitions Across Databases Using Dynamic SQL and STRING_AGG