几乎大多数的应用都会使用关系型数据库进行数据存储，而主键一定是标配。那么，在您的应用中，通常使用什么方案来满足业务扩张呢？下面简单介绍普遍做法以及改进之道。第一层：业务布局之初。众所周知，企业业务刚开始，需要进行快速试错，而彼时的数据量不会太多，而且暂时不会存在瓶颈，主要是快速打开市场，提供可运行的软件系统，此时不会太多的去关注存储。（言外之....

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