Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Chapter 6, Problem 6.1RQ
Program Plan Intro
Database administration describes the major tasks which are involved in an important business function. This function accomplishes the database which increases its value to an organization.
Expert Solution & Answer
Explanation of Solution
Purpose of database administration:
The purpose of database administration is given below:
- Database administration takes the contradicting goals on behalf of database protection that maximizes the availability and benefits to users.
- It performs the tasks in particular database which includes the application that processes the database.
- Every database needs database administration, as the existing tasks vary in complexity.
- It is responsible for the protection of the database content, the development, the operation, and the application used in the database.
- The person requires both technical and diplomatic skill to handle the database, which is usually handled by database administration office.
- The office manager is also referred to as database administrator.
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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…
Change the following code so that it checks the following 3 conditions:
1. there is no space between each cells (imgs)
2. even if it is resized, the components wouldn't disappear
3. The GameGUI JPanel takes all the JFrame space, so that there shouldn't be extra space appearing in the frame other than the game.
Main():
Labyrinth labyrinth = new Labyrinth(10);
Player player = new Player(9, 0); Dragon dragon = new Dragon(9, 9);
JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon);
frame.add(gui); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true);
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; //labyrinth, player, dragon are just public classes
private final ImageIcon playerIcon = new ImageIcon("data/images/player.png");…
Chapter 6 Solutions
Database Concepts (8th Edition)
Ch. 6 - Prob. 6.1RQCh. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Prob. 6.6RQCh. 6 - Prob. 6.8RQCh. 6 - Prob. 6.9RQCh. 6 - Prob. 6.10RQCh. 6 - Prob. 6.11RQ
Ch. 6 - Prob. 6.12RQCh. 6 - Prob. 6.13RQCh. 6 - Prob. 6.14RQCh. 6 - Prob. 6.15RQCh. 6 - Prob. 6.16RQCh. 6 - Prob. 6.17RQCh. 6 - Prob. 6.18RQCh. 6 - Explain the benefits of marking transaction...Ch. 6 - Explain the use of the SQL transaction control...Ch. 6 - Prob. 6.21RQCh. 6 - Describe statement-level consistency.Ch. 6 - Prob. 6.23RQCh. 6 - Prob. 6.24RQCh. 6 - Prob. 6.25RQCh. 6 - Prob. 6.26RQCh. 6 - Prob. 6.27RQCh. 6 - Explain what serializable isolation level is. Give...Ch. 6 - Explain the term cursor.Ch. 6 - Prob. 6.30RQCh. 6 - What is the advantage of using different types of...Ch. 6 - Explain forward-only cursors. Give an example of...Ch. 6 - Explain static cursors. Give an example of their...Ch. 6 - Prob. 6.34RQCh. 6 - Prob. 6.36RQCh. 6 - Prob. 6.37RQCh. 6 - Describe the advantages and disadvantages of...Ch. 6 - Prob. 6.40RQCh. 6 - Prob. 6.41RQCh. 6 - Prob. 6.42RQCh. 6 - Prob. 6.44RQCh. 6 - Prob. 6.45RQCh. 6 - What is the advantage of making frequent...Ch. 6 - Summarize a DBAs responsibilities for managing...Ch. 6 - Prob. 6.48RQCh. 6 - Prob. 6.49RQCh. 6 - Prob. 6.50E
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