Answer:
Both C++ and Pascal uses objects.
I believe the answer is D, document object model. Conditional Statements deal with if statements, iterative structures are while and for loops, HTML tags are the tags which help to format and define a webpage, and src attribute deal with specifying external sources for certain tags.
Answer:
The main difference between second generation (2G) and third generation (3G) technology is data. 2G services were developed with mostly voice services in mind, but are capable of providing relatively slow (14.4kbps) speed data services.
Answer:
4
Explanation:
by counting the number of the colum to. be counted well and nicely
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.
