Java and Database Connectivity

Relationships: Many to many (ii)

Hard to represent

• We can't have a column in the workshop table for every attendee, because we don't know how many there will be
• We can't have a column in the attendee table for every workshop, because we don't know how many there will be... (actually we could in this case, but not as a general rule).

Full text of this presentation | Table of Contents | No Frames Author: Simon Brooke | Copyright © 1998-1999 Weft Technology Ltd Slide 55 of 92