Answer:
Hi , so your answer is that a good web page design is to make it easy to use and meaningful and able to help people .
Explanation:
Really hope i helped , have a nice day :)
Answer:
The correct answer to the following question is option 4.
Explanation:
The private class does not mean that the package-private, it means that no other class can see its members.
It is used in creating the building blocks which is implementing the internal functionality that you don't want to visible to the other projects using the library.
We can use private constructor to ensure that more than one object cannot be created at the time.
Answer: Wired, Wi-fi, Wi-fi, A wired network, Wi-fi
Explanation:
The purpose of a URL is to help users get to websites easier. A URL (Uniform resource locator) is that tab at the top of your web browser that you type into. Like if you want to go to google, you would type in Google.com. So the answer is true.
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
