Exel is used for graphing, Word for any type of essay or paper, and Powerpoint for presentations.
Hope this helps!
Answer:
Double spaced means more space in between lines and there is an option in Google Docs or Word to make it double spaced. One inch margin means that there is one inch between the edge of the paper and where the words start.
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:
b) queue
Explanation:
Queue is also an abstract data type or a linear data structure, just like stack data structure, in which the first element is inserted from one end called the REAR(also called tail), and the removal of existing element takes place from the other end called as FRONT(also called head).
It would be C- crop. This allows you to specifically delete parts of the image using drag and drop features. Hope this helps!
