Answer:
bottom right
Explanation:
at least on windows it's bottom right
Answer:
This is correct. And to remove the confusion, I am adding the meaning of the Pseudocode. You need to begin with the algo that you are working upon, and then you need it to phrase the algo with the words which are easy to be transcribed in the form of the computer instructions. Now you need to indent the instructions properly inside the loop or within the conditional clauses. And while doing this, you need to not use the words which are used in certain forms of computer language. However, IF and THEN and ELSE and ENDIF are very frequently used as pseudo-code. Hence, your answer is correct.
Explanation:
Please check the answer section.
Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
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:
Digital computer
Explanation:
The computer that process data that are represented in the form of discrete values are called digital computer.
