From 1d7518755ef6cf307230aa8b71178dfeeed23531 Mon Sep 17 00:00:00 2001
From: JAEHYUK LEE <107346845+Hyuk-II@users.noreply.github.com>
Date: Tue, 19 Aug 2025 15:29:39 +0900
Subject: [PATCH] =?UTF-8?q?ERD=20=EB=AC=B8=EC=84=9C=20=EC=9E=91=EC=84=B1?=
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---
 erd/erd_documentation.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 erd/erd_documentation.md

diff --git a/erd/erd_documentation.md b/erd/erd_documentation.md
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+++ b/erd/erd_documentation.md
@@ -0,0 +1,20 @@
+# ERD Documentation
+
+## Diagrams
+
+### Get
+- user_id: INTEGER
+- get_id: INTEGER (Primary Key)
+
+### User
+- user_id: INTEGER (Primary Key)
+- user_name: VARCHAR
+
+### Post
+- user_id: INTEGER
+- post_id: INTEGER (Primary Key)
+
+## Relationships
+
+- User.user_id -> Get.user_id (1:N)
+- User.user_id -> Post.user_id (1:N)
\ No newline at end of file