本文是陈仕在“青芒话生长”MongoDB征文比赛的获奖文章，下面我们一起来欣赏下。前言偶然机会看到mongo中文社区办了场征文活动，觉得挺有意思的，虽说自己还在成为大佬的路上，但参与一下未尝不可。于是就有了这篇文章。活动已规定了选题框架，

SchemaTypes 数据类型 SchemaTypes handle definition of path defaults, validation, getters, setters, field selection defaults for queries and other general characteristics for Strings and Numbers. Check out their respective API documentation for more detail

SchemaTypes 数据类型 SchemaTypes handle definition of path defaults, validation, getters, setters, field selection defaults for queries and other general characteristics for Strings and Numbers. Check out their respective API documentation for more detail