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:
Script Kiddies or "Skiddies"
Explanation:
A script kiddie, or “Skiddie,” is someone who lacks programming knowledge and uses existing software to launch an attack. Often a script kiddie will use these programs without even knowing how they work or what they do. They begin playing with the various programs while searching for online tutorials. At first, they may be perceived as nothing more than an internet troll or noob, due to their lack of experience and quickness to brag and boast. Sometimes they will even resort to cyber stalking or bullying. However , this may simply be a cover for other more nefarious activity.
Having to compare results on experiments or lab tests to each other.
That should be the replace function which performs word replacements in documents.
Using python knowledge and writing code importing pandas, it is possible to create a function that corresponds to what you want.
<h3>Writting in python:</h3>
<em>import pandas as pd</em>
<em>if __name__ == "__main__":</em>
<em> df=pd.read_csv('mtcars.csv')</em>
<em> cylinders=int(input())</em>
<em> print(df[df.cyl==cylinders].shape)</em>
See more about python at brainly.com/question/18502436
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