o returns the row <code>_id</code> value for the newly created note.</p>
    <p><code>deleteNote()</code> takes a <var>rowId</var> for a particular note, and deletes that note from
    the database.</p>

    <p><code>fetchAllNotes()</code> issues a query to return a <code><a href="../../reference/android/database/Cursor.html">Cursor</a></code> over all notes in the
    database. The <code>query()</code> call is worth examination and understanding. The first field is the 
    name of the database table to qu