diff --git a/db/blog_db.sql b/db/blog_db.sql
new file mode 100644
index 0000000..fa7a1db
--- /dev/null
+++ b/db/blog_db.sql
@@ -0,0 +1,38 @@
+CREATE TABLE "articles" (
+  "id" bigserial,
+  "title" varchar(50) NOT NULL,
+  "content" text,
+  "published" time,
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "comments" (
+  "id" bigserial,
+  "content" varchar(255) NOT NULL,
+  "published" time,
+  "u_id" int4,
+  "a_id" int4 NOT NULL,
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "news" (
+  "id" bigserial,
+  "title" varchar(50) NOT NULL,
+  "content" text,
+  "published" time,
+  "related" uuid,
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "users" (
+  "id" bigserial,
+  "name" varchar(50) NOT NULL,
+  "profile" varchar(255) NOT NULL DEFAULT https://www.merlin.xin/public/profile,
+  "account" varchar(255) NOT NULL,
+  "password" varchar(255) NOT NULL,
+  PRIMARY KEY ("id")
+);
+
+ALTER TABLE "articles" ADD CONSTRAINT "fk_articles_comments_1" FOREIGN KEY ("id") REFERENCES "comments" ("a_id");
+ALTER TABLE "users" ADD CONSTRAINT "fk_users_comments_1" FOREIGN KEY ("id") REFERENCES "comments" ("u_id");
+