From 94d03dc712aff58e7594e7af38e0b6881238c778 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 6 Sep 2025 00:12:22 +0900
Subject: feat(backend): make problems.language non-null

---
 backend/schema.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/schema.sql b/backend/schema.sql
index cd4ed4c..5e427ce 100644
--- a/backend/schema.sql
+++ b/backend/schema.sql
@@ -22,7 +22,7 @@ CREATE TABLE problems (
     problem_id  SERIAL       PRIMARY KEY,
     title       VARCHAR(255) NOT NULL,
     description TEXT         NOT NULL,
-    language    VARCHAR(8)   /* NOT NULL */,
+    language    VARCHAR(8)   NOT NULL,
     sample_code TEXT         NOT NULL
 );
 
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