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:
Baje las persianas o cierre las cortinas en los días calurosos, para mantener la casa fresca y reducir el uso de ventiladores eléctricos o aire acondicionado. Deje que la ropa se seque naturalmente. Mantenga las tapas en las ollas cuando cocine para ahorrar energía. Use baterias recargables.
Answer:
Click the Display tab
Explanation:
Choose the Word count option to make it visible, within the Display tab dropdown
Answer:
Explanation:
Click the Data option.
Click on Named Range. This will open the 'Named ranges' pane on the right.
Click on the 'Add a range' option.
Enter the name you want to give the column (“Sales” in this example)
Make sure the column range is correct. ...
Click on Done.