diff --git a/delete where jajaj.sql b/delete where jajaj.sql
new file mode 100644
index 0000000..47f27e2
--- /dev/null
+++ b/delete where jajaj.sql	
@@ -0,0 +1,3 @@
+select * from cars;
+
+DELETE FROM `car_dealership`.`cars` WHERE (`ID` = '4');
diff --git a/insert_into.sql b/insert_into.sql
new file mode 100644
index 0000000..f887d51
--- /dev/null
+++ b/insert_into.sql
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+select * from salespersons;
+
+select * from Customers;
+
+select * from invoices;
+
+INSERT INTO customers (`ID`, `customer_ID`, `name`, `phone_number`, `email`, `address`, `city`, `state/province`, `country`, `zip/postal`)
+ VALUES ('0', '10001', 'Pablo Picasso', '+34 636 17 63 82', '-', 'Paseo de la Chopera, 14', 'Madrid', 'Madrid', 'Spain', '28045');
+
+INSERT INTO customers (`ID`, `customer_ID`, `name`, `phone_number`, `email`, `address`, `city`, `state/province`, `country`, `zip/postal`)
+ VALUES ('1',	'20001',	'Abraham Lincoln',	'+1 305 907 7086',	'-',	'120 SW 8th St',	'Miami','Florida',	'United States',	'33130');
+
+INSERT INTO customers (`ID`, `customer_ID`, `name`, `phone_number`, `email`, `address`, `city`, `state/province`, `country`, `zip/postal`)
+values ('2','30001','Napoléon Bonaparte','+33 1 79 75 40 00','-','40 Rue du Colisée','Paris','Île-de-France','France','75008');
+
+
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00001', 'Petey Cruiser', 'Madrid');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00002', 'Anna Sthesia	', 'Barcelona');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00003', 'Paul Molive', 'Berlin');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00004', 'Gail Forcewind', 'Paris');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00005', 'Paige Turner', 'Mimia');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00006', 'Bob Frapples	', 'Mexico City');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00007', 'Walter Melon	', 'Amsterdam');
+INSERT INTO `car_dealership`.`salespersons` (`ID`, `staff ID`, `name`, `store`) VALUES ('0', '00008', 'Shonda Leer	', 'São Paulo');
+
diff --git a/relation_car_dealership.png b/relation_car_dealership.png
new file mode 100644
index 0000000..b415c06
Binary files /dev/null and b/relation_car_dealership.png differ
diff --git a/update.sql b/update.sql
new file mode 100644
index 0000000..9276dbe
--- /dev/null
+++ b/update.sql
@@ -0,0 +1,9 @@
+select * from salespersons;
+
+UPDATE `car_dealership`.`salespersons` SET `store` = 'Miami' WHERE (`staff ID` = '00005');
+
+select * from customers;
+
+UPDATE `car_dealership`.`customers` SET `email` = 'ppicasso@gmail.com' WHERE (`customer_ID` = '10001');
+UPDATE `car_dealership`.`customers` SET `email` = 'lincoln@us.gov' WHERE (`customer_ID` = '20001');
+UPDATE `car_dealership`.`customers` SET `email` = 'hello@napoleon.me' WHERE (`customer_ID` = '30001');