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
Your answer would be: a hand pointer.
Solution:
Guest integration services resolves compatibility issues of certain guest operating systems experiencing non-functioning features.
Data integration service is the employment of a group of services that comply with service-oriented architecture. Data integration service can perform in an N -> 0 latency time period. At the same time, it offers a powerful set of transformation processes for meeting an array of business imperatives. The advantages of employing data integration as an enterprise service include reduced time for marketing, a reduction in total cost of ownership (TCO), and a solution to the obsolete and expensive data-integration patterns presently available in corporate businesses.
This is the required answer.
C. Data structures
---------------------------------
Answer:
The requirement of the virtualization in the operating system:
• The virtualization of the resources from single systems input can be partitioned into a small virtual environment in multiple system data processes.
• Virtualization can collect the physical system's hardware and software data, they can transfer the virtualization process and also verify that the working system is running properly.
• Virtualization has to determine the specific components such as workload, file location, network traffic and console administration process. The requirement for moving into the virtual environment must be selected based on windows for the operating system(32-bit), windows host operating system(4-bit) and Linux operating system.