root/logseq_notes
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

Auto saved by Logseq

Browse source
This commit is contained in:
Ryan 2023-06-14 19:55:46 +08:00
parent 5862e75934
commit 3b7cf7f7f5
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
pages/总复习2023t1.md
View file

@ -1006,12 +1006,13 @@
- The instances of a potential subclass participate in a relationship unique to that subclass.
- LATER SQL
- LATER Designing databases
- Understand Database Design Methodology
- Understand Database Design Methodology #flashcard
- Conceptual database design
- 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.
- Physical database design
- The process of producing a description of the implementation of the database (tailored to specific DBMS);
- general steps for Database Design Methodology.
- DONE Block 3
collapsed:: true