1.) Business Engineering or Manufacturing :)
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<em>Answer:</em>
<em>One of the first and main steps in protecting your email is to have a </em><em><u>URL</u></em><em> filtering system.</em>
Answer:
It allows for Non-linear editing
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:
An Enterprise System
Explanation:
An enterprise system also refered to as an enterprise software is a computer software application used to handle the needs of a business or an enterprise examples are schools, production companies, government ministries and departments, charities etc.
The software provides all the business oriented services for the enterprise, services such as payment processing, students' information management, automated billing and payments etc.
Because enterprises will typically have different departments, the software is able to collect data from all the key business processes across all the departments into a single database which is useable according to different access privilages by all other parts of the enterprise.
