From 761f4081bb163bd8b0a1d0fa04c2128c62b3bd2d Mon Sep 17 00:00:00 2001 From: Ryan Date: Wed, 14 Jun 2023 14:42:28 +0800 Subject: [PATCH] Auto saved by Logseq --- pages/总复习2023t1.md | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md index 3d84082..b6e470d 100644 --- a/pages/总复习2023t1.md +++ b/pages/总复习2023t1.md @@ -972,10 +972,14 @@ - Two constraints that may apply to a #flashcard id:: 64896085-645b-408f-b17a-109b6cd82aeb specialization/generalization: - - participation constraints + - participation constraints :-> Determines whether every member in superclass + must participate as a member of a subclass. - May be {{c1 mandatory}} or {{c1 optional}}. #flashcard id:: 648960d0-ae7f-4452-a1b9-cab8a9b13443 - - disjoint constraints + - disjoint constraints :-> Describes relationship between members of the + subclasses and indicates whether member of a + superclass can be a member of one, or more than + one, subclass. - Superclass / Subclass - Superclass :-> An entity type that includes one or more distinct id:: 64895f2f-b868-46ec-9d80-7079eaf3197d