Summarize your data by performing calculations across groups of rows in PostgREST

Spring Data模块灵感来自Domain Driven Design中的“repository”、“aggregate”和“aggregate root”概念。Spring Data JDBC通过聚合和聚合根的概念来操作实体，每个聚合根有一个Repository。Spring Data JDBC的目标是简化概念，通过简单模型将实体映射到表。

I started with thestoryofharper.com and then I created the site for hiromi and myself. So after writing all the cool classes to make this easy I decided to make the blogs.nata2.org site and then...