Pearson eText for Modern Database Management -- Instant Access (Pearson+)

13th Edition

ISBN: 9780137305940

Author: Jeffrey Hoffer, Ramesh Venkataraman

Publisher: PEARSON+

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Concept explainers

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

Textbook Question

Chapter 5, Problem 5.43PAE

Write SQL queries to answer the following questions:

What are the courses included in the Section table? List each course only once.
List all students alphabetical order by StudentName.
List the students Who are enrolled in each course in Semester l, 2018. Group the students by the sections in which they are enrolled.
List the courses available. Group them by course prefix. (ISM is the only prefix shown, but there are many others throughout the university.)

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Chapter 5, Problem 5.42PAE

Chapter 5, Problem 5.44PAE

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Change the following code so that there is always at least one way to get from the left corner to the top right, but the labyrinth is still randomized. The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. Take care that the player and the dragon cannot start off on walls. Also the dragon starts off from a randomly chosen position public class Labyrinth { private final int size; private final Cell[][] grid; public Labyrinth(int size) { this.size = size; this.grid = new Cell[size][size]; generateLabyrinth(); } private void generateLabyrinth() { Random rand = new Random(); for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { // Randomly create walls and paths grid[i][j] = new Cell(rand.nextBoolean()); } } // Ensure start and end are…

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Make the following game user friendly with GUI, with some simple graphics. The GUI should be in another seperate class, with some ImageIcon, and Game class should be added into the pane. The following code works as this: The objective of the player is to escape from this labyrinth. The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. The player can move only in four directions: left, right, up or down. There are several escape paths in all labyrinths. The player’s character should be able to moved with the well known WASD keyboard buttons. If the dragon gets to a neighboring field of the player, then the player dies. Because it is dark in the labyrinth, the player can see only the neighboring fields at a distance of 3 units. Cell Class: public class Cell { private boolean isWall; public Cell(boolean isWall) { this.isWall = isWall; } public boolean isWall() { return…

Chapter 5 Solutions

Pearson eText for Modern Database Management -- Instant Access (Pearson+)

Ch. 5 - Define each of the following terms: data...Ch. 5 - Match the following terms to the appropriate...Ch. 5 - Prob. 5.3RQ Ch. 5 - Prob. 5.4RQ Ch. 5 - Prob. 5.5RQ Ch. 5 - Prob. 5.6RQ Ch. 5 - List six potential benefits of achieving an SQL...Ch. 5 - Prob. 5.8RQ Ch. 5 - Distinguish among data definition commands, data...Ch. 5 - Prob. 5.10RQ

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