pl/sql

please step by step

Exercise 6 Instruction: Include FULL Screenshot that display your code and output on SQL Developer 1) Execute the following SQL: DROP TABLE mails; CREATE TABLE mails (inbox number); 2) Write a PL/SQL block to insert numbers into the mails table. a) Insert the numbers 5 through 15, excluding 7 and 9. b) Commit before the end of the block. c) Execute a SELECT statement to verify that your PL/SQL block worked