Null values and no of rows

[Das, Amar]

I have two questions.  Will appreciate your help.
1.  In the following example, how can I substitute NA for null values.  Note
that I do not construct the sql to include NVL function.  The SQL statement
is passed to me.
  <c:forEach var="row" items="${deejays.rowsByIndex}">
    <tr>
      <c:forEach var="column" items="${row}">
        <td><c:out value="${column}"/></td>
      </c:forEach>
    </tr>
  </c:forEach>
2.  In the following example, how do I know how many rows returned?
  <sql:query var="deejays">
    SELECT * FROM mytable
  </sql:query>

Thank you,
Amar Das

Perot Systems - Government Services
Voice: 781.545.2697
       207.594.3007


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