Java :: Check vs Uncheck Exception

database.java

public void insert() throws Exception{
    try {

       preparedStatement = connection.createPreparedStatement(sql);
       preparedStatement.executeQuery();

    }catch(SQLException exception) {
       throw new Exception( exception );
    }
}

database2.java

public void insert() {
    try {

       preparedStatement = connection.createPreparedStatement(sql);
       preparedStatement.executeQuery();

    }catch(SQLException exception) {
       throw new InsertException( exception );
    }
}