Master-Slave 的数据库机构解决了很多问题，特别是read/write 比较高的应用，结构如图： 1、写操作全部在Master 结点执行，并由Slave 数据库结点定时(默认60s)读取Master 的bin-log 2、将众多的用户读请求分散到更多的数据库节点，从而减轻了单点的压力 它的缺点是： 1 ...

Database management systems have been a crucial component of infrastructures for many years now. PostgreSQL is an advanced, object-relational database management system that is frequently used to ...