Slight looks change, nothing technical

shop.sql

@@ -18,8 +18,8 @@ create table user_role(
 	role varchar(32) not null unique
 );
 
-insert into user_role(role) values ('normal')
-insert into user_role(role) values ('admin')
+insert into user_role(id, role) values (1, 'normal');
+insert into user_role(id, role) values (2, 'admin');
 
 create table user_statistics(
 	id int primary key,
@@ -77,7 +77,6 @@ create table purchase_item(
 	foreign key (product_id) references product(id)
 );
 
-delimiter //
 create trigger after_user_insert
 after insert
 on user for each row
@@ -85,10 +84,7 @@ begin
 	insert into user_statistics(id) values (new.id);
 	insert into cart(id) values (new.id);
 end;
-//
-delimiter;
 
-delimiter //
 create trigger after_user_delete
 after delete
 on user for each row
@@ -96,10 +92,7 @@ begin
 	delete from user_statistics where id = old.id;
 	delete from cart where id = old.id;
 end;
-//
-delimiter;
 
-delimiter //
 create trigger after_cart_insert
 after insert
 on cart_item for each row
@@ -112,10 +105,7 @@ begin
 	)
 	where id = new.cart_id;
 end;
-//
-delimiter;
 
-delimiter //
 create trigger after_cart_delete
 after delete
 on cart_item for each row
@@ -129,10 +119,7 @@ begin
 	)
 	where id = old.cart_id;
 end;
-//
-delimiter;
 
-delimiter //
 create trigger calculate_price_subtotal
 before insert on cart_item
 for each row
@@ -143,5 +130,3 @@ begin
 		where p.id = new.product_id
 	);
 end;
-//
-delimiter;