1 files changed, 7 insertions, 7 deletions
diff --git a/backend/schema.sql b/backend/schema.sql
index 7f98d91..3a4422f 100644
--- a/backend/schema.sql
+++ b/backend/schema.sql
@@ -9,12 +9,18 @@ CREATE TABLE users (
 
 CREATE TABLE user_auths (
     user_auth_id  SERIAL      PRIMARY KEY,
-    user_id       INT         NOT NULL,
+    user_id       INT         NOT NULL UNIQUE,
     auth_type     VARCHAR(16) NOT NULL,
     password_hash VARCHAR(256),
     CONSTRAINT fk_user_id FOREIGN KEY(user_id) REFERENCES users(user_id)
 );
 
+CREATE TABLE problems (
+    problem_id  SERIAL       PRIMARY KEY,
+    title       VARCHAR(255) NOT NULL,
+    description TEXT         NOT NULL
+);
+
 CREATE TABLE games (
     game_id          SERIAL       PRIMARY KEY,
     state            VARCHAR(32)  NOT NULL,
@@ -34,12 +40,6 @@ CREATE TABLE game_players (
     CONSTRAINT fk_user_id FOREIGN KEY(user_id) REFERENCES users(user_id)
 );
 
-CREATE TABLE problems (
-    problem_id  SERIAL       PRIMARY KEY,
-    title       VARCHAR(255) NOT NULL,
-    description TEXT         NOT NULL
-);
-
 CREATE TABLE testcases (
     testcase_id SERIAL PRIMARY KEY,
     problem_id  INT    NOT NULL,