|Problems? Is your data what you think it is?|
Re: OO concepts and relational databasesby ysth (Canon)
|on Aug 02, 2004 at 16:30 UTC||Need Help??|
How do I link those abstractions together with has-a relationships? (RDBMSes don't have is-a relationships.)But is-a can be thought of as just a special case of has-a. The database you are using right now uses is-a relationships extensively.