In order to have a more complete class hierarchy, we must take into account
that a university has not only employees, but students as well. To add this,
refer to the Workstudy View (new
window), which shows the attributes in the Student relational base
table. From this, the Entry Date can be factored up into a Student Class as
shown below. This introduces multiple inheritance to this object schema where
the Workstudy class inherits attributes from both Teacher and Student. You
should note that not all programming languages can support multiple inheritance.
Nevertheless, it is important to understand the concept.
Yes, there are still redundant attributes in the Student and Employee
classes. They will be addressed in the next step.
DevExpress Announces the Newest Version of Its .NET Business ... Market Wire (press release) - Apr 29, 2008 To learn more about DevExpress business application framework and object-relational mapping tools for .NET, and to download a fully functional evaluation ...
Java ORM Data Mapping Eclipse Plug-in Due Integration Developers, CA - Apr 11, 2008 See why the JSR220-ORM Project lead says that object-relational mapping technologies are the ?last missing piece? for getting rid of the pain Java/J2EE devs ...
Java Developer Bizcommunity.com, South Africa - Apr 9, 2008 Design and develop Java web applications using cutting edge technologies for Object Relational Mapping, Caching and Service Orientated Architecture ...
Eclipse to release new plug-in ITWeb, South Africa - Apr 15, 2008 Robert Greene, the project lead, said the latest Eclipse plug-in is a standards-based object-relational mapping design time tool, built to comply with the ...
Cincom Smalltalk Releases ObjectStudio 8.1 and VisualWorks 7.6 Market Wire (press release) - Apr 28, 2008 ... Cincom VisualWorks 7.6 also supports Microsoft Vista, OSX Leopard and MySQL, and includes a supported object-relational mapping framework (GLORP).
Foundation for Object / Relational Databases: The Third Manifesto by C. J. Date, Hugh Darwen Average Customer Review: based on 4 reviews. Customer Review: Mr. Data and Mr. Darwen have much to say in this book. The question is will community of "database" people read it, assimilate it, and get to sufficient mass to discuss the merits of the concepts described in this book? And, if that does happen, will it be too late to implement any of the concepts in a real DBMS? There is no question...
C++ Database Development: Featuring Parody the Persistent Almost-Relational Object Database Management System by Al Stevens Average Customer Review: based on 1 review. Customer Review: Al Stevens, C++ Database Development (MIS Press, 1992) Two questions come to mind as to why anyone would be reading a ten-year-old book on database development in an outdated edition written to cater to an operating system that (almost) no longer exists in any meaningful way. (Or why they would be reading a review of such a book.) Tho...
Database Directions: From Relational to Distributed, Multimedia and Object-Oriented Database Systems by James Larson Average Customer Review: based on 1 review. Customer Review: This book should be renamed as Database Pocket Guide.Good for College students ,who just want to refer to refresh themselves.Good for Database Users whojust want to know little details about Distributed Databases.But for people who are really serious about Distributed Databases, this is not the right choice. A Good one could be "Manag...
based on 4 reviews.
based on 1 review.
