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This article explains MySQL’s transaction isolation mechanisms, compares the four isolation levels with concrete examples, shows how they affect phenomena like dirty reads, non‑repeatable reads and phantom reads, and provides practical guidance on configuring and avoiding long transactions.
This article explains the fundamentals of transaction handling in Spring Boot, covering both programmatic approaches with PlatformTransactionManager and TransactionTemplate and declarative management using @Transactional, while detailing common pitfalls, propagation and isolation settings, and providing concrete code examples.
This tutorial walks through designing a button‑level user permission system—including a five‑table database schema, Spring Boot + MyBatisPlus project setup, code generation, menu CRUD operations, recursive menu tree construction, role‑based permission queries, and annotation‑driven request authorization—complete with runnable code snippets and sample data.
