The article "SQL in a Nutshell: A Desktop Quick Reference" provides a comprehensive overview of SQL, the relational database model, and SQL functions. It covers foundational concepts, SQL statements, and vendor-specific keywords. The main goal is to serve as a quick reference guide for SQL users, offering a command reference and explanations of SQL functions. Key findings include the distinction between row processing and set processing, the types of SQL functions, and the categories of syntax used in SQL.