diff --git a/sql/first_user_only.pgsql b/sql/first_user_only.pgsql
new file mode 100644
index 0000000..1bf4ed0
--- /dev/null
+++ b/sql/first_user_only.pgsql
@@ -0,0 +1,7 @@
+DELETE FROM arrowclicked        WHERE user_id > 1;
+DELETE FROM coinclicked         WHERE user_id > 1;
+DELETE FROM keyboardevent       WHERE user_id > 1;
+DELETE FROM resetclicked        WHERE user_id > 1;
+DELETE FROM previousnextclicked WHERE user_id > 1;
+DELETE FROM hovered             WHERE user_id > 1;
+DELETE FROM users               WHERE id      > 1;