Mega Code Archive
Demo Updatable ResultSet
<![CDATA[
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class DemoUpdatableResultSet {
public static Connection getConnection() throws Exception {
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
String username = "name";
String password = "password";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static void main(String[] args) {
ResultSet rs = null;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = getConnection();
String query = "select id, name, age from employees where age > ?";
pstmt = conn.prepareStatement(query, ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
pstmt.setInt(1, 20); // set input values
rs = pstmt.executeQuery(); // create an updatable ResultSet
// update a column value in the current row.
rs.absolute(2); // moves the cursor to the 2nd row of rs
rs.updateString("name", "newName"); // updates the 'name' column of row 2 to newName
rs.updateRow(); // updates the row in the data source
// insert column values into the insert row.
rs.moveToInsertRow(); // moves cursor to the insert row
rs.updateInt(1, 1234); // 1st column id=1234
rs.updateString(2, "newName"); // updates the 2nd column
rs.updateInt(3, 99); // updates the 3rd column to 99
rs.insertRow();
rs.moveToCurrentRow();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
rs.close();
pstmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
]]>