SQL in a NutshellA Desktop Quick Reference\nAuthor(s): Kevin Kline, Regina O. Obe, Leo S. Hsu\nFormat: Paperback\nPublisher: O'Reilly Media, United States\nImprint: O'Reilly Media\nISBN-13: 9781492088868, 978-1492088868\nSynopsis\nFor programmers, analysts, and database administrators, this Nutshell guide is the essential reference for the SQL language used in today's most popular database products. This new fourth edition clearly documents SQL commands according to the latest ANSI/ISO standard and details how those commands are implemented in Microsoft SQL Server 2019 and Oracle 19c, as well as in the MySQL 8, MariaDB [url] and PostgreSQL 14 open source database products. \n\n You'll also get a concise overview of the relational database management system (RDBMS) model and a clear-cut explanation of foundational RDBMS concepts--all packed into a succinct, comprehensive, and easy-to-use format. \n\n Sections include: \n\nBackground on the relational database model, including current n