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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<!-- splitted from ./en/functions/uodbc.xml, last change in rev 1.3 -->
<refentry id="function.odbc-columns">
<refnamediv>
<refname>odbc_columns</refname>
<refpurpose>
Lists the column names in specified tables
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>resource</type><methodname>odbc_columns</methodname>
<methodparam><type>resource</type><parameter>connection_id</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>qualifier</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>schema</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>table_name</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>column_name</parameter></methodparam>
</methodsynopsis>
<para>
Lists all columns in the requested range. Returns an ODBC result
identifier containing the information or &false; on failure.
</para>
<para>
The result set has the following columns:
<itemizedlist>
<listitem><simpara>TABLE_QUALIFIER</simpara></listitem>
<listitem><simpara>TABLE_SCHEM</simpara></listitem>
<listitem><simpara>TABLE_NAME</simpara></listitem>
<listitem><simpara>COLUMN_NAME</simpara></listitem>
<listitem><simpara>DATA_TYPE</simpara></listitem>
<listitem><simpara>TYPE_NAME</simpara></listitem>
<listitem><simpara>PRECISION</simpara></listitem>
<listitem><simpara>LENGTH</simpara></listitem>
<listitem><simpara>SCALE</simpara></listitem>
<listitem><simpara>RADIX</simpara></listitem>
<listitem><simpara>NULLABLE</simpara></listitem>
<listitem><simpara>REMARKS</simpara></listitem>
</itemizedlist>
</para>
<simpara>
The result set is ordered by TABLE_QUALIFIER, TABLE_SCHEM and
TABLE_NAME.
</simpara>
<para>
The <parameter>schema</parameter>,
<parameter>table_name</parameter> and
<parameter>column_name</parameter> arguments accept search
patterns ('%' to match zero or more characters and '_' to match a
single character).
</para>
<simpara>
See also <function>odbc_columnprivileges</function> to retrieve
associated privileges.
</simpara>
</refsect1>
</refentry>
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