List the names of borrowers who currently have the book title “Lord of the Rings” on loan.
What will be an ideal response?
RA: ? borrowerName ( ( (? title=‘Lord of the Rings’ (Book)) ISBN (? available=‘N’ (BookCopy)) )
copyNo (BookLoan) borrowerNo (Borrower) )
TRC: {BW.borrowerName | Borrower(BW) ? (?BL) (?B) (?BC) (Book(B) ?
BookCopy(BC) ? BookLoan(BL) ? (BC.ISBN = B.ISBN) ?
(BW.borrowerNo = BL.borrowerNo) ? (BL.copyNo = BC.copyNo) ?
(BC.available=‘N’) ? (B.title= ‘Lord of the Rings’))}
DRC: {borrowerName | (?ISBN, title, edn, yr, copyNo, avail, bNo, bAddress, dOut,
dDue) (Book(ISBN, title, edn, yr) ? BookCopy(copyNo, ISBN, avail) ?
Borrower(bNo, borrowerName, bAddress) ? BookLoan(copyNo, dOut,
dDue, bNo) ? avail=’N’ ? title= ‘Lord of the Rings’)}
You might also like to view...
# has a special set of operators known as ____________ that change the value of a variable without having to type the variable name twice.
a. identity operators b. combined assignment operators c. quick-change operators d. assessment operators
Why should you use getline () for string data?
A. It removes the spaces between the words. B. It reads all characters until the Enter key. C. getline () isn’t made for strings. D. It works the same as cin >>.
When you add a non-master item to a document page that has a master applied, and when you override a master item on a document page, these changes are known as ____________________ or local overrides.
Fill in the blank(s) with the appropriate word(s).
The process of moving a slide object to a new location using the mouse pointer is called _____.
A. drop and drag B. drag and drop C. drag and drip D. drip and drop