Setting the Number of Rows to Prefetch When Executing a SQL Query : Statement « Database « Java Tutorial






import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class Main {
  public static void main(String[] argv) throws Exception {

    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);

    Statement stmt = connection.createStatement ();
    int fetchSize = stmt.getFetchSize();

    // Set the fetch size on the statement
    stmt.setFetchSize(100);

    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Change the fetch size on the result set
    resultSet.setFetchSize(100);

  }
}








20.5.Statement
20.5.1.Change the fetch size on the result set
20.5.2.Get the fetch size of a statement
20.5.3.Set the fetch size on the statement
20.5.4.Retrieving All Rows from a Database Table
20.5.5.Getting Column Names from a database table in Java
20.5.6.Retrieve a rowcount from a ResultSet
20.5.7.Setting the Number of Rows to Prefetch When Executing a SQL Query
20.5.8.Create a result set
20.5.9.Creating a Database Table called my_table with one column, col_string, which holds strings.
20.5.10.Deleting a Database Table called my_table from a database.
20.5.11.Inserting a Row into a Database Table
20.5.12.Inserting a Row into a Database Table Using a Prepared Statement
20.5.13.Deleting a Row from a Database Table
20.5.14.Statement Batch Update