摘要：
数据库元被影射成对象(object-relational mapping (ORM)层)Ruby代码table<=>classrow<=>objectcolumn<=>objectattributeclass和table的命名对应关系实例：Ruby代码Order<=>ordersTaxAgency<=>tax_agenciesPerson<=>peopleRuby代码#复数形式关闭方法config/environment.rb：ActiveRecord::Base.pluralize_table_names=false#自 阅读全文
