课程
/后端开发
/Java
/Redis入门
为什么说NoSQL是不断通过添加服务器节点来实现的？
还有个问题：关系型数据库必须有外键约束么？
2018-01-01
源自：Redis入门 2-1
正在回答
数据库是可以通过不断添加服务器节点来实现扩展的，即使是MySQL也有集群模式，更不用说那些天生就是为了分布式优化的数据库了比如MongoDB，memcache，更不用说那些生来就是分布式的数据库了Hive，Impala。这种分布式数据库都可以部署在数千台服务器上。
因为是知识点所以考核和练习这一块，实际的应用可以学习下相应的案例视频，后期还有JS深入的教程，希望你多关注。
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数据库主从
栗喵 提问者
举报
本课程为Redis和Jedis使用的入门级教程，对Redis有初步了解
3 回答最后说备份的消息过期的时候，这个消息过期是什么意思？？？
1 回答老师，请问 没有在服务器防火墙里添加端口可以正常访问，为什么呢？
1 回答怎么在服务器安装redis
2 回答请问redis怎么像数据库那样永久存储？
2 回答数据库恢复问题
