diff --git a/sql/add_booking.sql b/sql/add_booking.sql
new file mode 100644
index 0000000..22472d8
--- /dev/null
+++ b/sql/add_booking.sql
@@ -0,0 +1,15 @@
+-- modify bookings - task 1
+-- changes:
+--   changed BookingDate (Reserved) data type from date to datetime, because I assumed that Little Lemon
+--   allows wants bookings per day and table - a table is considered blocked for 2 hours
+--   added EmployeeID input parameter
+-- noqa: disable=CP03,LT02,RF03
+create procedure AddBooking (
+    in BookingID int, in Reserved datetime, in TableNumber int, in CustomerID int, in EmployeeID int
+)
+begin
+    insert into Bookings (BookingID, Reserved, TableNumber, CustomerID, EmployeeID) values (
+        BookingID, Reserved, TableNumber, CustomerID, EmployeeID
+    );
+    select concat("New booking added") as Confirmation;
+end
diff --git a/sql/cancel_booking.sql b/sql/cancel_booking.sql
new file mode 100644
index 0000000..25db862
--- /dev/null
+++ b/sql/cancel_booking.sql
@@ -0,0 +1,13 @@
+-- modify bookings - task 3
+-- add and update bookings - task 3
+-- noqa: disable=CP03,LT02,RF03
+create procedure CancelBooking (in BookingID int)
+begin
+    delete from Bookings as B
+    where B.BookingID = BookingID;
+    if row_count() = 1 then
+      select concat("Booking ", BookingID, " cancelled") as Confirmation;
+    else
+      select concat("Booking ", BookingID, " not cancelled - missing booking") as Confirmation;
+    end if;
+end
diff --git a/sql/modify_bookings_results.txt b/sql/modify_bookings_results.txt
new file mode 100644
index 0000000..fc111f6
--- /dev/null
+++ b/sql/modify_bookings_results.txt
@@ -0,0 +1,101 @@
+# Task 1
+> delimiter $
+> source ./add_booking.sql
+> delimiter ;
+> call AddBooking(20, "2024-11-19 19:00:00", 3, 1, 2)
++-------------------+
+| Confirmation      |
++-------------------+
+| New booking added |
++-------------------+
+> select * from `Bookings` where `BookingID` = 20
++-----------+---------------------+-------------+------------+------------+
+| BookingID | Reserved            | TableNumber | CustomerID | EmployeeID |
++-----------+---------------------+-------------+------------+------------+
+| 20        | 2024-11-19 19:00:00 | 3           | 1          | 2          |
++-----------+---------------------+-------------+------------+------------+
+
+# Task 2
+> delimiter $
+> source ./update_booking.sql
+> delimiter ;
+> call UpdateBooking(20, date_sub((select Reserved from `Bookings` where `BookingID` = 20), interval 1 day))
++--------------------+
+| Confirmation       |
++--------------------+
+| Booking 20 updated |
++--------------------+
+> select * from `Bookings` where `BookingID` = 20;
++-----------+---------------------+-------------+------------+------------+
+| BookingID | Reserved            | TableNumber | CustomerID | EmployeeID |
++-----------+---------------------+-------------+------------+------------+
+| 20        | 2024-11-18 19:00:00 | 3           | 1          | 2          |
++-----------+---------------------+-------------+------------+------------+
+> call UpdateBooking(21, "2024-11-18 15:00:00")
++---------------------------------------------+
+| Confirmation                                |
++---------------------------------------------+
+| Booking 21 wasn't updated - missing booking |
++---------------------------------------------+
+> select * from `Bookings` where `BookingID` = 21
++-----------+----------+-------------+------------+------------+
+| BookingID | Reserved | TableNumber | CustomerID | EmployeeID |
++-----------+----------+-------------+------------+------------+
++-----------+----------+-------------+------------+------------+
+
+# Task 3
+> delimiter $
+> source ./cancel_booking.sql
+> delimiter ;
+> call CancelBooking(20)
++----------------------+
+| Confirmation         |
++----------------------+
+| Booking 20 cancelled |
++----------------------+
+> select * from `Bookings`
++-----------+---------------------+-------------+------------+------------+
+| BookingID | Reserved            | TableNumber | CustomerID | EmployeeID |
++-----------+---------------------+-------------+------------+------------+
+| 1         | 2024-11-14 18:00:00 | 1           | 3          | 1          |
+| 2         | 2024-11-14 19:30:00 | 2           | 2          | 1          |
+| 3         | 2024-11-14 18:45:00 | 3           | 4          | 1          |
+| 4         | 2024-11-14 19:15:00 | 4           | 1          | 2          |
+| 5         | 2024-11-14 18:30:00 | 5           | 6          | 2          |
+| 6         | 2024-11-14 19:00:00 | 6           | 5          | 2          |
+| 7         | 2024-11-15 18:15:00 | 1           | 7          | 5          |
+| 8         | 2024-11-15 19:45:00 | 2           | 8          | 5          |
+| 9         | 2024-11-15 18:30:00 | 3           | 9          | 2          |
+| 10        | 2024-11-15 19:00:00 | 4           | 10         | 5          |
+| 11        | 2022-10-14 18:00:00 | 5           | 1          | 1          |
+| 12        | 2022-11-12 19:30:00 | 3           | 3          | 1          |
+| 13        | 2022-10-11 18:45:00 | 2           | 2          | 1          |
+| 14        | 2022-10-13 19:15:00 | 2           | 1          | 1          |
+| 15        | 2022-11-12 17:15:00 | 3           | 4          | 1          |
++-----------+---------------------+-------------+------------+------------+
+> call CancelBooking(21)
++--------------------------------------------+
+| Confirmation                               |
++--------------------------------------------+
+| Booking 21 not cancelled - missing booking |
++--------------------------------------------+
+> select * from `Bookings`
++-----------+---------------------+-------------+------------+------------+
+| BookingID | Reserved            | TableNumber | CustomerID | EmployeeID |
++-----------+---------------------+-------------+------------+------------+
+| 1         | 2024-11-14 18:00:00 | 1           | 3          | 1          |
+| 2         | 2024-11-14 19:30:00 | 2           | 2          | 1          |
+| 3         | 2024-11-14 18:45:00 | 3           | 4          | 1          |
+| 4         | 2024-11-14 19:15:00 | 4           | 1          | 2          |
+| 5         | 2024-11-14 18:30:00 | 5           | 6          | 2          |
+| 6         | 2024-11-14 19:00:00 | 6           | 5          | 2          |
+| 7         | 2024-11-15 18:15:00 | 1           | 7          | 5          |
+| 8         | 2024-11-15 19:45:00 | 2           | 8          | 5          |
+| 9         | 2024-11-15 18:30:00 | 3           | 9          | 2          |
+| 10        | 2024-11-15 19:00:00 | 4           | 10         | 5          |
+| 11        | 2022-10-14 18:00:00 | 5           | 1          | 1          |
+| 12        | 2022-11-12 19:30:00 | 3           | 3          | 1          |
+| 13        | 2022-10-11 18:45:00 | 2           | 2          | 1          |
+| 14        | 2022-10-13 19:15:00 | 2           | 1          | 1          |
+| 15        | 2022-11-12 17:15:00 | 3           | 4          | 1          |
++-----------+---------------------+-------------+------------+------------+
diff --git a/sql/update_booking.sql b/sql/update_booking.sql
new file mode 100644
index 0000000..d70afce
--- /dev/null
+++ b/sql/update_booking.sql
@@ -0,0 +1,16 @@
+-- modify bookings - task 2
+-- changes:
+--   changed BookingDate (Reserved) data type from date to datetime, because I assumed that Little Lemon
+--   allows wants bookings per day and table - a table is considered blocked for 2 hours
+-- noqa: disable=CP03,LT02,RF03
+create procedure UpdateBooking (in BookingID int, in Reserved datetime)
+begin
+    update Bookings as B
+    set B.Reserved = Reserved
+    where B.BookingID = BookingID;
+    if row_count() = 1 then
+      select concat("Booking ", BookingID, " updated") as Confirmation;
+    else
+      select concat("Booking ", BookingID, " wasn't updated - missing booking") as Confirmation;
+    end if;
+end