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 ...

The open source MySQL spin-off has steadily added features all its own. Here are five good reasons to switch to MariaDB.

Definition: Modern cloud analytics is a cloud-native architecture that enforces consistent metric definitions throughout an organization using a semantic layer, enables governed self-service, offers ...

A better way to drive growth and profitability by Scott Magids, Alan Zorfas and Daniel Leemon When companies connect with customers’ emotions, the payoff can be huge. Consider these examples: After a ...