For 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 10.5, and PostgreSQL 14 open source database products.

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.

Sections include:

Background on the relational database model, including current and previous SQL standards
Fundamental concepts necessary for understanding relational databases and SQL commands
An alphabetical command reference to SQL statements, according to the SQL:2016 ANSI standard
The implementation of each command by MySQL, Oracle, PostgreSQL, and SQL Server
An alphabetical reference of the ANSI SQL:2016 functions and constructs as well as the vendor implementations
Platform-specific functions unique to each implementation

Acerca del autor

Kevin Kline is a noted database expert and software industry veteran. A Microsoft SQL Server MVP since 2004, Kevin is a founder and former president of the Professional Association for SQL Server (PASS.org) and the author of many popular IT books. Kevin is also a top-rated speaker at industry trade shows worldwide. Regina O. Obe is co-principal of Paragon Corporation, a database consulting company based in Boston. She has close to 30 years of professional experience in various programming languages and database systems, with special focus on PostgreSQL and PostGIS spatial database extension for PostgreSQL. Leo Hsu is co-principal of Paragon Corporation, a database consulting company based in Boston. He has over 25 years of professional experience developing and thinking about databases for organizations large and small. He also holds a lectureship at Tufts University, teaching SQL to graduate level students. He has coauthored several database books with his wife Regina Obe.

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