Location: [Back to the Lecture Notes] ASCII Approximation of the Alternative Second ERD
--------- / \ --------
| | / \ | |
| Student |-------- -------| Course |
| | \ / | |
--------- \ / ---------
^
/|\
|
|
|
---------------
| |
| Participation |
| |
---------------
In the ``real diagram,'' there is an arrow pointing up from the rectangle labelled ``Participation,'' to a diamond. Lines from the diamond (without arrowheads) connect it to the other rectangles that are labelled by ``Student'' and ``Course.''
Location: [Back to the Lecture Notes] ASCII Approximation of Alternative Second ERD