Answer:
The trigger code is given below
create trigger F1_Del
after delete on Friend
for each row
when exists (select * from Friend
where ID1 = Old.ID2 and ID2 = Old.ID1)
begin
delete from Friend
where (ID1 = Old.ID2 and ID2 = Old.ID1);
end
create trigger F1_Insert
after insert on Friend
for each row
when not exists (select * from Friend
where ID1 = New.ID2 and ID2 = New.ID1)
begin
insert into Friend values (New.ID2, New.ID1);
end
Answer:
The hippocampus, a subcortical brain structure crucially involved in storing new information in memory, is smaller in people with schizophrenia and their first-degree relatives (parents and siblings) than in control participants.
Answer:
"In a VPN, a computer connects to a server and then changes the Internet Protocol of your computer" -urgurlmarie
Source: brainly.com/question/19665457, -urgurlmarie
Opinion: You're answer is correct, I'll take this step by step but by connecting your PC to an server like OpenVPN, or a paid VPN service such as Nord VPN. You are changing your Internet Protocol of your PC to that servers I.P. Address.
