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SQL antipatterns. How to avoid pitfalls when working with databases
The SQL language is necessary for working with structured data. Programmers who are proficient in their favorite language (Java, Python, or Go) cannot understand everything, and are often not SQL experts. This leads to the emergence of antipatterns - solutions that at first glance seem correct, but over time create more and more problems. Learn to identify and avoid many of these common pitfalls! Refactor your legacy nightmare and turn it into a viable data model! The SQL code examples are based on MySQL 8.0, but other popular RDBMSs are also mentioned in the text. The code examples use Python 3.9+ or Ruby 2.7+.
The SQL language is necessary for working with structured data. Programmers who are proficient in their favorite language (Java, Python, or Go) cannot understand everything, and are often not SQL experts. This leads to the emergence of antipatterns - solutions that at first glance seem correct, but over time create more and more problems. Learn to identify and avoid many of these common pitfalls! Refactor your legacy nightmare and turn it into a viable data model! The SQL code examples are based on MySQL 8.0, but other popular RDBMSs are also mentioned in the text. The code examples use Python 3.9+ or Ruby 2.7+.