diff --git a/db/prod/v1_0.sql b/db/prod/v1_0.sql
index 884e623..23565b3 100644
--- a/db/prod/v1_0.sql
+++ b/db/prod/v1_0.sql
@@ -1,10 +1,23 @@
+CREATE TABLE IF NOT EXISTS "country"
+(
+    id uuid,
+    iso_name char(2) UNIQUE NOT NULL,
+    name varchar(45) NOT NULL,
+
+    primary key (id)
+    );
+
 CREATE TABLE IF NOT EXISTS "holiday"
 (
     id uuid,
-    country char(2),
-    date date,
-    name varchar(64),
+    country char(2) NOT NULL,
+    date date NOT NULL,
+    name varchar(64) NOT NULL,
     description varchar(512),
-    is_state boolean,
-    is_religious boolean
+    is_state boolean NOT NULL,
+    is_religious boolean NOT NULL,
+
+    primary key (id),
+    constraint fk_country_id foreign key (country)
+    references country(iso_name) on delete cascade on update cascade
 );
\ No newline at end of file