diff --git a/lsqlthw-remnants/ex11.sql b/lsqlthw-remnants/ex11.sql
new file mode 100644
index 0000000..a13f042
--- /dev/null
+++ b/lsqlthw-remnants/ex11.sql
@@ -0,0 +1,12 @@
+INSERT INTO person (id, first_name, last_name, age)
+    VALUES (0, 'Frank', 'Smith', 100);
+
+INSERT OR REPLACE INTO person (id, first_name, last_name, age)
+    VALUES (0, 'Frank', 'Smith', 100);
+
+SELECT * FROM person;
+
+REPLACE INTO person (id, first_name, last_name, age)
+    VALUES (0, 'Zed', 'Shaw', 37);
+
+SELECT * FROM person;