Erd

sguy · #1 (**permalink**) 10-11-03, 10:51

x

r937 · #2 (**permalink**) 10-11-03, 15:34

sounds like homework

what have you got so far?

rudy
http://r937.com/

r937 · #3 (**permalink**) 10-12-03, 07:10

that's pretty neat, and looks like it covers everything

maybe you could help superman with his queries...

rudy

r937 · #4 (**permalink**) 10-12-03, 09:02

the relationships look okay, but i dunno about the cardinalities

for example, a supervisor can syupervise more than one contract, right?

r937 · #5 (**permalink**) 10-12-03, 09:51

so that would mean the 1..1 from supervisor rectangle to supervises diamond is wrong?

r937 · #6 (**permalink**) 10-12-03, 10:51

okay, yeah, i guess i'm quite rusty on reading those cardinalities