For the Yelp dataset you can see the structure of the business objects, as well as the other objects, on the documentation page. For the JDBS driver, this tutorial used the "platform independent" ...
做互联网研发，最早接触使用jdbc技术，为了数据库连接能够复用，会用到c3p0、dbcp等数据库连接池。 应该是研发人员最早接触的数据库连接池，再到httpclient http连接池，再到微服务netty连接池，redis客户端连接池，以及jdk中线程池技术。
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