diff --git a/db.sql b/db.sql
new file mode 100644
index 0000000..441ec21
--- /dev/null
+++ b/db.sql
@@ -0,0 +1,19 @@
+create schema  "identity"
+    create table if not exists "user" (
+        id text primary key,
+        openid text unique not null,
+        created_at timestamp with time zone default current_timestamp,
+        updated_at timestamp with time zone default current_timestamp
+        )
+    create table if not exists "user_token" (
+        user_id text primary key,
+        access_token text,
+        expires_in smallint,
+        refresh_token text,
+        scope text
+        )
+    create table if not exists "user_userinfo" (
+        user_id text primary key,
+        nickname text,
+        head_img_url text
+        )
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