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<?xml version='1.0' encoding='iso-8859-1'?>
<!-- $Revision: 1.6 $ -->
<!-- Purpose: database.vendors -->
<!-- Membership: bundled, external, pecl -->
<reference id="ref.pdo-oci">
<title>Oracle Functions (PDO_OCI)</title>
<titleabbrev>Oracle (PDO)</titleabbrev>
<partintro>
<section id="pdo-oci.intro">
&reftitle.intro;
<para>
&warn.experimental;
PDO_OCI is a driver that implements the <link linkend="ref.pdo">PHP Data
Objects (PDO) interface</link>
to enable access from PHP to Oracle databases through the OCI library.
</para>
</section>
</partintro>
<refentry id="ref.pdo-oci.connection">
<refnamediv>
<refname>PDO_OCI DSN</refname>
<refpurpose>Connecting to Oracle databases</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>
The PDO_OCI Data Source Name (DSN) is composed of the following elements:
<variablelist>
<varlistentry>
<term>DSN prefix</term>
<listitem>
<para>
The DSN prefix is <userinput>oci:</userinput>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>dbname</constant> (Oracle Instant Client)</term>
<listitem>
<para>
The URI for the Oracle Instant Client connection takes the form of
<userinput>dbname=//<varname>hostname</varname>:<varname>port-number</varname>/<varname>database</varname></userinput>.
If you are connecting to a database defined in
<filename>tnsnames.ora</filename>, use only the name of the database:
<userinput>dbname=<varname>database</varname></userinput>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>charset</constant></term>
<listitem>
<para>
The client-side character set for the current environment handle.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>PDO_OCI DSN examples</title>
<para>
The following examples show a PDO_OCI DSN for connecting to
Oracle databases:
<programlisting><![CDATA[
oci:mydb
oci:dbname=//localhost:1521/mydb
]]>
</programlisting>
</para>
</example>
</para>
</refsect1>
</refentry>
</reference>
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