Saturday, 6 September 2014

JDBC : JDBCRowSet Update- Insert-Delete Demo



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JDBCRowSet Update- Insert-Delete Demo
JDBCRowSet Update- Insert-Delete Demo
JDBCRowSet Update- Insert-Delete Demo

JDBCRowSetDemo.java
import java.sql.SQLException;

import javax.sql.rowset.JdbcRowSet;
import javax.sql.rowset.RowSetFactory;
import javax.sql.rowset.RowSetProvider;

public class JDBCRowSetDemo
{
    // JDBC driver name and database URL
    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL      = "jdbc:mysql://localhost:3306/world";

    // Database credentials
    static final String USERNAME    = "root";
    static final String PASSWORD    = "root";

    public static void main( String[] args )
    {
        JDBCRowSetDemo jdbcRowSetDemo = new JDBCRowSetDemo();
        jdbcRowSetDemo.addOrUpdateOrDeleteCityInformation();

    }

    private void addOrUpdateOrDeleteCityInformation()
    {
        JdbcRowSet jdbcRowSet = null;
        try
        {
            /*
             * Using RowSetFactory create the JdbcRowSet object.
             */
            RowSetFactory rowSetFactory = RowSetProvider.newFactory();
            jdbcRowSet = rowSetFactory.createJdbcRowSet();

            /*
             * Set the JdbcRowSet properties [URL,username,password,command]
             */
            jdbcRowSet.setUrl(DB_URL);
            jdbcRowSet.setUsername(USERNAME);
            jdbcRowSet.setPassword(PASSWORD);

            /*
             * Sets the command property with a query that produces a ResultSet
             * object containing all the data in the table
             */

            jdbcRowSet.setCommand("select * from city where countrycode='AFG'");
            
            /*
             * The execute method does many things for you in the background:
             * 
             * 1.It makes a connection to the database using the values you
             * assigned to the url, username, and password properties.
             * 
             * 2.It executes the query you set in the command property.
             * 
             * 3.It reads the data from the resulting ResultSet object into the
             * jdbcRs object.
             */
            jdbcRowSet.execute();

            /*
             * Moves the cursor to the fifth row of rs and update the column
             * information
             */

            jdbcRowSet.absolute(3);
            jdbcRowSet.updateInt("Population", 100);
            jdbcRowSet.updateRow();
            System.out.println("3rd row population column is updated");

            /*
             * Moves cursor to the insert row
             */

            jdbcRowSet.moveToInsertRow();
            jdbcRowSet.updateInt(1, 5080);
            jdbcRowSet.updateString(2, "India");
            jdbcRowSet.updateString(3, "IND");
            jdbcRowSet.updateString(4, "TamilNadu");
            jdbcRowSet.updateInt(5, 200000);
            jdbcRowSet.insertRow();

            System.out.println("5080th row has been inserted into the city table");
            
            jdbcRowSet.absolute(1);
            jdbcRowSet.deleteRow();
            
            System.out.println("1st row has been deleted from the city table");     
            

        }
        catch( SQLException se )
        {
            se.printStackTrace();
        }
        catch( Exception e )
        {
            e.printStackTrace();
        }

        finally
        {
            if( jdbcRowSet != null )
            {
                try
                {
                    jdbcRowSet.close();
                }
                catch( SQLException e )
                {
                    e.printStackTrace();
                }
            }
        }

    }
}

Output

3rd row population column is updated
5080th row has been inserted into the city table
1st row has been deleted from the city table
Environment Used 

JDK version : 1.7.0_51
Mysql Server version : 5.6.19 

To Download JDBCRowSetUpdateDemoApp Project Click the below link

https://sites.google.com/site/javaee4321/jdbc/JDBCRowSetUpdateDemoApp.zip?attredirects=0&d=1

See also:

  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
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