这不是一条 SQL 就搞定的事情吗？ 我曾经负责过的并发量蛮高的商品库存系统，核心扣减逻辑真的就是靠一条 SQL 搞定的。没有引入分布式锁（如 Redis Lock）或者消息队列。 核心思路其实就是数据库层面的乐观锁。利用 MySQL 的行锁特性 + UPDATE 语句的原子性，再配合 Java 中判断影响行数（Affected ...

Unlock the power of event-driven architecture with AWS's innovative pattern for Amazon RDS SQL Server. This approach decouples database events from processing, enhancing scalability and responsiveness ...

JDK 27 JDK 27的早期访问构建版本Build 9也在上周发布，包含了从Build 8的更新，其中包括对各种问题的修复。关于这个版本的更多细节可以在发布说明中找到。 JDK 26 JDK 26的早期访问构建版本Build ...

ENVIRONMENT: A cutting-edge Software Development company seeks the technical expertise of a Senior Oracle APEX Developer to join its Centurion team. You will play a pivotal role in leading the design ...

ENVIRONMENT: A cutting-edge Software Development company seeks the technical expertise of a Senior Oracle APEX Developer to join its Centurion team. You will play a pivotal role in leading the design ...

Abstract: WHAT TECH SKILLS DO U.S. EMPLOYERS want? Researchers at job search site Indeed took a deep dive into its database to answer that question. And, at least for now, expertise in SQL came out on ...

Oracle has released JDK (Java Development Kit) 25, the first long term support (LTS) version since JDK 21 two years ago. New features include beginner-friendly compact source files, succinct module ...

SQL skills are essential for high-demand roles like data analyst, business analyst, data scientist, software developer, and database administrator. Mastering SQL enables professionals to efficiently ...