Answer:
An Access control list (ACL) is used to describe a list of security policies that is associated with an object
When Microsoft donated copies of Word program to colleges
and universities, the company Microsoft is using a Marketing Strategy in
promoting the product. A good promotion will help the product to be known and
by words of mouth it will basically promote the product and the users will
definitely give comments on how the product performs.
Answer:
1) Yes, Publisher relation should have a publisherID primary key.
2) NOT NULL and UNIQUE for the BookID, BranchID, CardNumber and name of the borrower in the Book, Book_Copies, Library_branch, and Borrower relations respectively. The DueDate field of the book_loan relation must be a time constraint. The BookID of the Book relation must be serial number for automatic addition and update of bookid across the database.
Explanation:
The Publisher relation should have primary key publisherID which should replace the publisherName in the Book relation to easily make a join query and attain a third-level database model.
Answer:
To make the group of four we can write 100011 as 00100011
Now, the two groups are:- 0010 and 0011
And 0010 in binary corresponds to 3 in Hexadecimal
And 0011 in binary corresponds to 4 in Hexadecimal.
So, 100011 of binary corresponds to 34 of hex.
