wiki in-memory database practice What is a NoSQL Database? Learn By Writing One In Python Java编程的逻辑 (60) - 随机读写文件及其应用 - 实现一个简单的KV数据库 Java编程的逻辑 (61) - 内存映射文件及其应用 - 实现一个简单的消息队列 article What an in-memory database is and how it persists data efficiently