Abstract
`O/R Mapper' (ORM) is tool or library to map between Object and RDBMS. Using ORM, you can handle RDBMS easier, but it is necessary for developers to understand underlaying technologies and techniques of ORM in order to use it effectively. In this session, I'll explain about basic mechanism and recommended architechture of ORM. If you join this session, you'll know that existing ORMs including ActiveRecord are anything but ideal.
Presentation Language
Japanese