From a7c1fd38b8cc062e46b18a5271fc3de3a28eb5f0 Mon Sep 17 00:00:00 2001 From: Ryan Date: Thu, 15 Jun 2023 10:03:24 +0800 Subject: [PATCH] Auto saved by Logseq --- pages/总复习2023t1.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md index 81665ee..7753156 100644 --- a/pages/总复习2023t1.md +++ b/pages/总复习2023t1.md @@ -1008,11 +1008,11 @@ - Understand Database Design Methodology #flashcard id:: 6489a99e-3ed0-4673-814d-f823e4998168 - Conceptual database design - - The process of constructing a model of the data used in an enterprise, independent of all physical considerations. + - The process of constructing a **model** of the data used in an enterprise, independent of all physical considerations. - Logical database design - - Maps the conceptual data model on to a logical model (e.g. relational), but independent of a particular DBMS and other physical considerations. + - Maps the conceptual data model on to a **logical model (e.g. relational)**, but i*ndependent of a particular DBMS and other physical considerations*. - Physical database design - - The process of producing a description of the implementation of the database (tailored to specific DBMS); + - The process of producing a description of the **implementation of the database (tailored to specific DBMS)**; - general steps for Database Design Methodology. #flashcard id:: 6489a9b5-14ea-4b2b-bd47-07b93ae94124 - Gather requirements