diff --git a/create_db.sql b/create_db.sql
index 2bede62..dca426c 100644
--- a/create_db.sql
+++ b/create_db.sql
@@ -24,9 +24,9 @@ CREATE TABLE articles (
     id              INT             AUTO_INCREMENT,
     title           VARCHAR(255)    NOT NULL,
     created         TIMESTAMP       DEFAULT CURRENT_TIMESTAMP,
-    banner_link     VARCHAR(255),
+    banner_link     VARCHAR(255)    NOT NULL,
     summary         TEXT            NOT NULL,
-    content_link    VARCHAR(255),
+    content_link    VARCHAR(255)    NOT NULL,
     published       BOOL            NOT NULL,
     rejected        BOOL            NOT NULL,
     author_id       INT             NOT NULL,