Answer:
"Materials requirement planning" is the correct answer for the above question.
Explanation:
- The "Materials requirement planning" is a software system that is used to hold the record of the raw materials.
- It is used to tell about the material which is present in the stocks. It also used to schedule the delivery.
- This software is used to enhance the productivity of the company.
- The above question asked about the software which is needed to keep the record of the raw material. This software is known as "Materials requirement planning".
For the view of Exercise 4.18, explain why the database system would not allow a tuple to be inserted into the database through this view.
For reference
For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note that an employee may simply have no manager listed or may have a null manager. Write your query using an outer join and then write it again using no outer join at all.
OUTER JOIN
select e.ID from employee e left outer join manages m on e.ID = m.ID
where m.manager_id is null;
NO OUTER
select e.ID from employee e where e.ID not in (select m.ID from manages m) or e.ID in (select m.ID from manages m where m.manager_id is null);
Answer:
ok done we will try
BTW have a nice day enjoy your day Stay blessed stay happy stay strong
Answer:
Option D, This PC allows a user to save a presentation on a computer
Explanation:
If one choses the option C, the file will be saved in the folder in which the user is working. Hence, option C is incorrect.
Like wise option A is also incorrect as it will require user to provide a location as option for saving the file
Option B is also incorrect as it will allow the user to save files in the C drive/D drive or one drive
Option D is correct because if the user choses this option file will be saved on the computer.
Hence option D is correct
