Node a = new Node(5); Node b = new Node(3, a); Node c = new Node(7, b); Node d = new Node(2, c); Node firstNode = d; Node currentNode = firstNode; currentNode.next.next.data = 8; a.What is the contents of the chain referenced by firstNode?   b.What is the data held in the node referred to by currentNode?

Below is “Book Order,” the only table in library management system’s database. The design of “Book Order” as you may tell is in the zero normal formal form, you as the database designer want to convert the design into the third normal form.   Order ID Special order date Customer ID Customer last name Customer First name Customer birth date Book ISBN1 Book Title 1 Book Author 1 Book publication year 1 Book ISBN2 Book Title 2 Book Author 2 Book publication year 2 Store ID Store name Store location Special order status     Book Order(Order ID, Special order date, Customer ID, Customer last name, Customer First name, Customer birth date, Book ISBN1, Book Title 1, Book Author 1, Book publication year 1, Book ISBN2, Book Title 2, Book Author 2, Book publication year 2, Store ID, Store name, Store location, Special order status)

The InstantRide Driver Relationship team wants to learn how many travels each driver has done in the month of October. You need to send them the DRIVER_ID, and two calculated columns: DAY and RIDES. The DAY column is calculated using the DAY() function with the TRAVEL_START_TIME as the argument. The RIDES column is calculated by using the COUNT() function to determine the number of rides given for each day. Filter the results with the MONTH function.

Which of the following code segments can be used as a constructor for a node in a linked list. Each node contains a pointer to the next node called next and also has a String called data. O public node () { next = 0; } } public node () { next = "";} } O public node () { next = null; } } O public node () { next = new node(); }

Child row is a related row where there is a ?     Primary key     Foreign key     Candidate key     Composite key