ocr: FORM RELHTIUNSHIP BETWEEN Form 1: Invoice IfF Form 1 is Subform, hou: should Key field be updated uhen Main form Key is modified: Null (Blank) Form 2: Product If Form 2 is Suoform, how should Key field be - updated when Nain form Key is modified: Restrict (Don't Update) BASED ON THE FOLLOWING PIELDS BEING EQUAL: Define at least one set) Field Product Code Product Code And Field And Field OPTIONAL RELHTIUNSHIP NAMES: (Form names are used as a default.) for Form 1: Form 2:1 Lookup Product Code Figure 4. Datatase mantans reterential integrity when detining the relationship between product and inv ...
