Hello <span>Abigailguzman6347</span><span>
</span>Answer: If you use a surrogate key, you must ensure that the candidate key of the entity in question performs properly through the use of "unique index" and "not null" constraints.
Hope This Helps!
-Chris
1. goes to C.
2. goes to B.
3. goes to A.
Answer:
1.Click.
2.Choose “All Programs”
3.Then select, the “Microsoft Office” folder.
4.Now, open your desired Office application. 5.for e.g Microsoft Word 2010.
6.Once the application opens, select.
Click.
7.Now, select the document you wish to open in Office 2010 and click.
Answer:
2. It was created to connect geographically dispersed researchers with high powered research computers.
3. The first message was sent through ARPANET in 1969 and it was decommissioned in 1990.
5. It led to the development of the Internet.
Explanation: