diff --git a/School/Development/Foreign Key.md b/School/Development/Foreign Key.md
index 12bb562..a83b35f 100644
--- a/School/Development/Foreign Key.md	
+++ b/School/Development/Foreign Key.md	
@@ -5,4 +5,8 @@ A Foreign key is a [[Constraint]] that protects links between tables. Foreign ke
 
 |ID (PK)|Name|Age|Sex|Length|
 |-----|-----|-----|-----|-----|
+|1|Nick|21|M|190|
+
+|ID (PK)||Age|Sex|Length|
+|-----|-----|-----|-----|-----|
 |1|Nick|21|M|190|
\ No newline at end of file