The Create relationship dialog provides you with tooltips. These tell you what happens with each of the relationships when you exit the dialog by clicking OK.
If you move the mouse pointer to a check box, the following tooltips are offered:
You move the mouse pointer to the Connection occurrence check box of a relationship,
You move the mouse pointer to the Connection occurrence check box of a relationship,
You move the mouse pointer to the Connection occurrence check box of a relationship,
You move the mouse pointer to the Hide check box of a relationship,
You move the mouse pointer to the Hide check box of a relationship,