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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<!-- splitted from ./en/functions/uodbc.xml, last change in rev 1.2 -->
<refentry id="function.odbc-num-rows">
<refnamediv>
<refname>odbc_num_rows</refname>
<refpurpose>Number of rows in a result</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>odbc_num_rows</methodname>
<methodparam><type>resource</type><parameter>result_id</parameter></methodparam>
</methodsynopsis>
<para>
<function>odbc_num_rows</function> will return the number of rows
in an ODBC result. This function will return -1 on error. For
INSERT, UPDATE and DELETE statements
<function>odbc_num_rows</function> returns the number of rows
affected. For a SELECT clause this <literal>can</literal> be
the number of rows available.
</para>
<para>
Note: Using <function>odbc_num_rows</function> to determine the
number of rows available after a SELECT will return -1 with many
drivers.
</para>
</refsect1>
</refentry>
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