Answer:
The process of using the new
information system and doing away
with the old system is known as
system <u>development</u>
Answer:
machine language uses binary code and assembly language uses mnemonic codes to write a program.
Explanation:
In a nutshell, machine language uses binary code, which is almost impossible for humans to decipher, whereas assembly language uses mnemonic codes to write a program. Mnemonic codes make it simpler for humans to understand or remember something, and so make the language a bit easier for humans to use than machine code.
Answer:
Your social media postings can help you secure a job too, not just it being effective in a bad way.
Explanation:
Your content can give hiring managers an overall idea of your personality, what you are passionate about, how you interact with people in group discussions and how previous colleagues feel about you through recommendations and so on. All of these give you an advantage in securing a job.
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
