/**
* Queries all persons and shows their names.
*
* @param conn JDBC connection.
* @throws SQLException In case of SQL error.
*/
private static void queryAllPersons(Connection conn) throws SQLException {
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("select name from Person");
X.println(">>> All persons:");
while (rs.next()) X.println(">>> " + rs.getString(1));
}
