The best awnser is D but A is also doable
I think I am not sure that it is probably b
Answer:
You can't call a function unless you've already defined it. Move the def createDirs(): block up to the top of your file, below the imports.
Explanation:
Some languages allow you to use functions before defining them. For example, javascript calls this "hoisting". But Python is not one of those languages.
The statement that the History feature of a browser helps in retracing browsing history over a short period of time is True.
<h3>What is a browser?</h3>
A browser can be regarded as an computer application that is used in surfing the internet.
One of the features of a browser is the history tab which helps to retrace your browsing history over a short period of time.
Learn more about browsers at;
brainly.com/question/24858866
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
