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- main.java file import java.sql.*;public class Main { public static void main(String[] args) { try { // Connect to the library_db database, via the jdbc:mysql: channel on localhost (this PC) // Use username "otheruser", password "swordfish". Connection connection = DriverManager.getConnection( "jdbc:mysql://localhost:3306/library_db?useSSL=false", "otheruser", "swordfish" ); // Create a direct line to the database for running our queries Statement statement = connection.createStatement(); ResultSet results; int rowsAffected; // Set up finished, do some stuff: // executeQuery: runs a SELECT statement and returns the results. results = statement.executeQuery("SELECT title, qty FROM books"); // Loop over the results, printing them all. while (results.next()) {…Chapter 17 How to manage database security Exercises using the My Guitar Shop Database Use Microsoft SQL Server Write a script that creates a user-defined database role named OrderEntry in the MyGuitarShop database. Give INSERT and UPDATE permission to the new role for the Orders and OrderItems table. Give SELECT permission for all user tables. 2.Write a script that (1) creates a login ID named “RobertHalliday” with the password “HelloBob”; (2) sets the default database for the login to the MyGuitarShop database; (3) creates a user named “RobertHalliday” for the login; and (4) assigns the user to the OrderEntry role you created in exercise 1.A database has 4 transactions, shown below.TID Date items_boughtT100 10/15/04 {K, A, D, B}T200 10/15/04 {D, A, C, E, B}T300 10/19/04 {C, A, B, E}T400 10/22/04 {B, A, D}Assuming a minimum level of support min_sup = 60% and a minimum level ofconfidencemin_conf = 80%:(a) Find all frequent itemsets (not just the ones with the maximum width/length) using the Apriori algorithm. Show your work—just showing the final answer is not acceptable. For each iteration show the candidate and acceptable frequent itemsets. You should show your work similar to the way the example was done in thePowerPoint slides.(b)List all of the strong association rules, along with their support and confidence values, whichmatch the following metarule, where X is a variable representing customers and itemi denotes variables representing items (e.g., “A”, “B”, etc.).x transaction, buys(X, item1) buys(X, item2) buys(X, item3)Hint: don’t worry about the fact that the statement above uses relations. The point of the…
- blockchain is a collection ofrecords (called blocks), where each block links to the previous block using cryptography. Eachblock contains cryptographic hash, timestamp and data relevant to its application. Think ofit as a distributed ledger where instead of information being stored in a database it is storedon the blockchain. Some examples of solutions that use a blockchain at its core are:1. Cryptocurrencies (however, for this project you may NOT do a cryptocurrency)2. Smart contracts3. Trading4. Supply chain management5. Anti-counterfeiting6. Healthcare7. Domain names8. Proof of existence9. Voting10. and many others! Programming Language: Java The use of third-party libraries for primary functionally is strictly prohibited, however, third party libraries can be used for other functionality such as communications and visualisation (such as normal JavaFX, JFreeChart, GraphStream, JGraphT, Yworks, JUNG or JMonkey). The use of other data structures for auxiliary operations is…An objective of this task is to implement your own simple method of auditing the database activities.It is strongly recommended to connect to MySQL either through command line interface mysql or graphical user interface MySQL Workbench and process a script file dbdrop.sql and immediately after that the scripts dbcreate.sql and dbload.sql to refresh a sample database csit115.Download a file solution3.sql and insert into the file the implementations of the following actions.You must connect as a user root with a password csit115.Your implementation must directly follow a comment with a specification of a subtask.(1) First, the script makes a relational table that contains a general log empty.(2) Next, the script sets the appropriate values of the variables to save a general log in a relational table and to start recording a general log from now.(3) Next, the script makes a database csit115 a default database, it stops recording a report, it executes a script file updates.sql, and it…Assuming you have created already created a MySQL database named "database_name" with a table named "users" that has columns for "username", "password", and "email". And that you have also created a login system that sets the "username" session variable when a user logs in.Write a simple PHP code that makes use of sessions, mysql insert, update, and delete. The code should first start with a session using session_start(). It should then connect to a MySQL database using mysqli_connect(). It inserts a new record into the users table using mysqli_query() and an SQL INSERT statement. It updates an existing record in the users table using mysqli_query() and an SQL UPDATE statement. It deletes a record from the users table using mysqli_query() and an SQL DELETE statement. It sets a session variable using $_SESSION["username"] and displays it using echo. Finally, it closes the MySQL connection using mysqli_close()
- discuss the security vulnerability in this pseudocode. show one input that allows an attacker to delete table users. $user_id= $_GET["user"]; //Read username$pwd = $_GET["password"]; //Read password$query = "SELECT home_dir FROM users WHERE uid='".$user_id."' AND Password ='".$pwd."';$result= run_query($query) //If this query returns one row, the login is successfulCreate a MySQL Database called “CSC306Class”. Create three (3) tables in the database called “studentInf”, “IntructorInf”, and “LikedAndDisliked”. Each table should consist of five columns that are relatable to the table name. Insert at least five row of data in each table. The data can be any information as long as it is related to the table name.The system consists of a database and a servlet to access the database. The database is running on a server and can be accessed via a TCP/IP link. The main program is running on a different server as a Java Servlet. The database has a component to retrieve the query string and return the data and another component to insert data. The database is an “.exe” file. The server has a component to query the user for a search command and another component to submit the query. 1. How do I draw a deployment diagram for the system. 2. How do I draw a use case diagram for the system.
- This is why database-like access mechanisms are often used in corporate blockchains.Performing an Nmap scan from within Metasploit:We need something exciting to display when running the hosts command so run a quick nmap scan to collect some data. With msfconsole open and the databaseconnected.create Database CTU_YOURICASNOGOUSE CTU_YOURICASNO;GOCREATE TABLE Course( CourseID int PRIMARY KEY, CourseName varchar(255), CourseDesc varchar(255),);CREATE TABLE Students( ICASNo int Primary Key, StudentName varchar (255)NOT NULL, StudentSurname varchar (255)NOT NULL, StudentContact varchar (255)NOT NULL, StudentEmail varchar(255)NOT NULL, HighSchoolAttended varchar(255)NOT NULL, courseID int,);CREATE TABLE Semester( SemesterID int Primary Key, SemesterStartDate varchar(255)NOT NULL, SemesterEndDate varchar(255)NOT NULL, ICASNo varchar(255),);CREATE TABLE Facilitator( FacilitatorID int Primary Key, FacilitatorName varchar(255) Not Null, FacilitatorContact varchar(255)Not Null, FacilitatorEmail varchar(255)Not Null, ICASNo varchar(255)Not Null, ); CREATE TABLE Module( ModuleID int Primary Key, ModuelName varchar(255)Not Null, ModuleDuration varchar(255)Not Null, FacilitatorID varchar(255)Not Null,); Using the…