Introduction Welcome to a new issue of the High-Performance Java Persistence Newsletter in which we share articles, videos, workshops, and StackOverflow answers that are very relevant to any developer who interacts with a database system using Java. Articles The pick of this edition is this series of articles about transaction isolation levels in PostgreSQL. Speaking of database transactions, this article provides an in-depth analysis of the guarantees provided by the MySQL Repeatable Read default isolation level. Hibernate 6.3 introduced support for the SQL UPSERT operation. While currently, this feature works with all... Read More
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