- Create `IPositionRepository` and it's implementation. `Task Add(Position position)` - Adds a new position entry in db. Returns the id of the newly added entry. - Create IChampionRepository` and it's implementation. - `Task Add(Champion champion)` - Adds a new champion entry in db. Returns the id of the newly added entry. `Task> GetAll() – Gets all champions in db`. Main` method, do this following: dd `Support` position dd Dragon Lane position dd `Rakan` champion with a 'Support position; idd `Tristana` champion with a 'Dragon Lane` position; idd `Xayah` champion with a 'Dragon Lane' position; Get all champions and print each of them.
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Topic: C# Dapper
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- Explain this code detail by detail like putting comments private void table_update() { int CC; try { // It is for SOMETHING ETC.*** Class.forName("com.mysql.jdbc.Driver"); con1 = DriverManager.getConnection("jdbc:mysql://localhost/linda","root",""); insert = con1.prepareStatement("SELECT * FROM record"); ResultSet Rs = insert.executeQuery(); ResultSetMetaData RSMD = Rs.getMetaData(); CC = RSMD.getColumnCount(); DefaultTableModel DFT = (DefaultTableModel) jTable1.getModel(); DFT.setRowCount(0); while (Rs.next()) { Vector v2 = new Vector(); for (int ii = 1; ii <= CC; ii++) { v2.add(Rs.getString("id")); v2.add(Rs.getString("name")); v2.add(Rs.getString("mobile")); v2.add(Rs.getString("course")); }…Implement the DBS Share Price Index System in Python as per Figure 2 below which allows users toadd, delete, update and lookup Share Prices. The System should store the Company Name and SharePrice. Your program should not allow users to add the same company more than once. On adding,deleting, updating or looking up a Share Price, your program should let the user know if theoperation was successful or not. On looking up a Share Price return the Company Name and SharePrice of the company; if the company is not found give the user the option to add the details theyare looking up. The user can perform multiple actions; they can add a new entry and subsequentlydelete an entry without having to stop and start the program until they decide to quitAny comments i could add to this? package attendance; import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;import java.sql.Statement; public class SqliteDB {Connection conn = null;Statement stmt = null;public SqliteDB() throws ClassNotFoundException {//try to connect with dbtry {Class.forName("org.sqlite.JDBC");// db parametersString url = "jdbc:sqlite:C:/sqlite/db/attendance.db";// create a connection to the databaseconn = DriverManager.getConnection(url);System.out.println("Connection to SQLite has been established.");} catch (SQLException e) {System.out.println(e.getMessage());}}public void executeQuery(String query) {try {this.stmt = conn.createStatement();stmt.execute(query);}catch (Exception e) {System.out.println(e);}}public void closeConnection() {try {this.conn.close();}catch( Exception e) {System.out.println(e);}}}
- The Stock of the book needs to be updated correspondingly after a customer has made an order, or a customer has cancelled an order. It can be accomplished by using trigger. You are asked to implement a trigger which needs to take following into consideration: a. The trigger needs to be fired after a new row has been inserted into table Orders, or after a row has been deleted from table Orders which indicates an order has been cancelledb. Each order may contain multiple books in ORDERTITEMS table You also need to write SQL statement or/and PL/SQL code to demonstrate that the implemented trigger accomplishes the business logicImplement the following clauses on a database of your choice and produce results. (Writequery and add screen shot of your implementation)iv) Viewv) Group Byvi) Order Byvii) Like kindly answer the all parts i already posted 2 times this one question but there are are total 7 parts so kindly solve 4 prts.To test the text-provided implementations of min(), max(), floor(), ceiling(), select(), rank(), deleteMin(), deleteMax(), and keys(), create a test client called TestBinarySearch.java. Initially, use the default indexing client. Add code to accept more command-line arguments if needed.
- give An watcher pattern could be an application that notifies the user when the equity price of a particular company changes.and explain the benefits of using the watcher pattern in session design patterngive An watcher pattern could be an application that notifies the user when the equity price of a particular company changes.and explain the benefits of using the watcher pattern in session design patterngive An watcher pattern could be an application that notifies the user when the equity price of a particular company changes.and explain the benefits of using the watcher pattern in session design patternin Mongo DB We want to add some students to our collection, but this time, we define the value for the _id field. (If the _id is not defined in your document, it will be added automatically.) _id: 1001 first_name: Sarah last_name: Stone email: s_stone@email.com city: Toronto status: full-time gpa: 3.4 program: CPA _id: 1002 first_name: Jack last_name: Adam email: j_adam@email.com city: North York status: part-time gpa: 3.6 program: CPA To add these students, we want to store these documents into a variable first. Define a variable named starray and add these two document to the variable. (You are storing more than one document so you need to define an array.) write the command to define the array: Now, use the starray array to insert the documents to your collection student. Write your insert statement:Can you help me here to find what is wr The time , dosn't work , it show 0000. 00 . 00 As in picture I attached with the question. Here the code for class and follow for the main. <?php//include("includes/config.php"); class Posts { private $db; // This __construct function I use to open up a connection to my database function __construct() { $this->db = new mysqli(DBHOST, DBUSER, DBPASS, DBDATABASE); if($this->db->connect_errno > 0) { die("Connection error: " . $db->connect_error); } } // My method to read posts from my database public function getPosts() { // sql command to get data from my database table called 'guestbook' $sql = "SELECT * from guestbook /*ORDER BY created DESC*/"; $result = $this->db->query($sql); return mysqli_fetch_all($result, MYSQLI_ASSOC); } public function addPost(string $user, string $content, $created ) { $created =date("M-d-Y h:i:s A");…
- MongoDB 1) The customers collection includes documents that have accounts as a field that contains an array of values. Write a statement to retrieve a cursor containing all documents where there is only one account. 2) Write a statement that returns only the email addresses of all customer documents. 3) Write a statement to retrieve a cursor containing all customer documents where the active field within the main document (i.e., do not worry about nested documents) is set to true. 4) Write a statement to retrieve a cursor containing all customer documents that do not have the active field within the main document (i.e., do not worry about nested documents). (Hint: Take a look at the Query and Projection operators in the MongoDB documentation to find an operator that helps determine whether a field exists within a document.)Try switching the joins pthread_join(tid2, NULL); pthread_join(tid1, NULL); Do you see any difference? Please report if and why you do or do not see any difference in terms of the randomness in the result of the shared resource. In the inc_dec_resource() function, implement mutual exclusion (pthread_mutex_lock) to ensure that the result becomes 0 every time when you execute your program. Put your updated code in the report (highlighted) and show your screenshot of the execution by running the script three time using $ time ./shared_resource_mutex. Hint: Your loop is incrementing/decrementing the resource which should be protected by each thread while it is executing that portion. #include <stdio.h> #include <pthread.h> #define iterations 300000000 long long shared_resource = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; // Thread function to modify shared resource void* inc_dec_resource(void* arg){ //get the pointer from main thread and dereference it…Try switching the joins pthread_join(tid2, NULL); pthread_join(tid1, NULL); Do you see any difference? Please report if and why you do or do not see any difference in terms of the randomness in the result of the shared resource. In the inc_dec_resource() function, implement mutual exclusion (pthread_mutex_lock) to ensure that the result becomes 0 every time when you execute your program. Put your updated code in the report (highlighted) and show your screenshot of the execution by running the script three time using $ time ./shared_resource_mutex. Hint: Your loop is incrementing/decrementing the resource which should be protected by each thread while it is executing that portion. /* Compile: gcc -o shared_resouce_mutex shared_resource_mutex.c -lpthread Execute: ./shared_resource_mutex */ #include <stdio.h> #include <pthread.h> #define iterations 300000000 long long shared_resource = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; // Thread function to…