Answer:
If it on g mail you go to the spam box and then press the spammers to account and then press block and then you will block them.
Answer:
select name,department,phone_number,email from employee e
where e.phone_number like '5-%'
Explanation:
On Chegg + SQL textbook
here we are making use of like operator to match any phone number that starts with '5-'.Like operator has two wild card that can be used with it.
(%)--This represents zero, one or multiple characters.
(_)-- This represents a single character.