From 13dce8ea162e2c502995a702d1c29f90d1bb3f22 Mon Sep 17 00:00:00 2001
From: Ryan <ryan@alien.gov>
Date: Wed, 14 Jun 2023 14:33:28 +0800
Subject: [PATCH] Auto saved by Logseq

---
 pages/总复习2023t1.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index ae135a5..5f2f619 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -959,6 +959,9 @@
 					- LATER SQL join
 			- LATER Block 2
 				- LATER EER
+					- Most useful additional concept of EER model:
+					  specialization/generalization.
+						- Superclass :->
 				- LATER designing ER diagram
 			- DONE Block 3
 			  collapsed:: true