diff --git a/README.md b/README.md
index d7fbaa5..47c31ad 100644
--- a/README.md
+++ b/README.md
@@ -130,3 +130,4 @@ various tables, not just the columns listed here.
 6. What SQL keywords or concept would you use if you wanted to automatically
    delete all messages by a user if that user were deleted from the `user`
    table?
+   answer:on delete cascade