Write an SQL statement to do each of the following tasks in the given order (try 1, 2, 3, 4, than 5).

Explain whether and why the statement is correctly executed or not

1. Insert the following entry in CUSTOMER 10012, Juan, Rodriguez, J, 612, 7788776

2. Insert the following entry in INVOICE 1005, 10017, 2008-11-30

3. Insert the following entry in PRODUCT 12322, hammer, 189, 20, 231

4. Insert the following entry to the VENDOR table 231,Adam, Eric, 615, 2158995

5. Insert the following entry in PRODUCT 12322, coil, 189, 20, 231