Answer:
you cant mess up in theatre but you can redo scences in movies, thay both have acting in them
Explanation:
im a theatre person
All of the above
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You can include up to 255 logical conditions in the AND function. This is to test multiple<span> conditions at the same time.
</span><span>The syntax of the AND function is the following: =AND (logical1, [logical2], ...)</span><span>
The AND function can be true (one) and false (null), only one of these two values.
</span><span>The AND function will return #VALUE if no logical values are found or created during evaluation.</span>
I'm pretty sure it's D. Provide discount software for the underprivileged.
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