Get Number Of Rows in a Scrollable ResultSet from MySQL : ResultSet Scrollable « Database SQL JDBC « Java

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Java » Database SQL JDBC » ResultSet Scrollable 




Get Number Of Rows in a Scrollable ResultSet from MySQL
 
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class GetNumberOfRowsScrollableResultSet_MySQL {

  public static Connection getConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/databaseName";
    String username = "root";
    String password = "root";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
      conn = getConnection();
      String query = "select id from employees";
      stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);

      rs = stmt.executeQuery(query);
      // extract data from the ResultSet scroll from top
      while (rs.next()) {
        String id = rs.getString(1);
        System.out.println("id=" + id);
      }
      // move to the end of the result set
      rs.last();
      // get the row number of the last row which is also the row count
      int rowCount = rs.getRow();
      System.out.println("rowCount=" + rowCount);
    catch (Exception e) {
      e.printStackTrace();
    finally {
      try {
        rs.close();
        stmt.close();
        conn.close();
      catch (SQLException e) {
        e.printStackTrace();
      }
    }
  }
}
           
         
  














Related examples in the same category
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2.Create a scrollable result sets
3.Demo Scrollable ResultSet from MySQL
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5.Get the fetch size of a statement
6.Set the fetch size on the statement
7.Change the fetch size on the result set
8.Move cursor to the last record
9.Move cursor to the first row
10.Move cursor to the last row
11.Move cursor to the end, after the last row
12.Move cursor backward
13.Move the cursor back and forth with absolute index
14.Move cursor to the beginning, before the first row
15.Move cursor to the second last row with absolute position
16.Move cursor down 5 rows from the current row. If this moves cursor beyond the last row, cursor is put after the last row
17.Move cursor up 3 rows from the current row. If this moves cursor beyond the first row, cursor is put before the first row
18.Get the current position of cursor
19.Move cursor in scrollable result sets
20.If cursor is in the last row
21.Check if cursor is in the first row
22.Moving the Cursor in a Scrollable Result Set
23.Getting the Cursor Position in a Scrollable Result Set
24.Getting the Number of Rows in a Table Using a Scrollable Result Set
25.Create an insensitive scrollable result set
26.Create a sensitive scrollable result set
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