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<h1 class="refname">PDO_ODBC DSN</h1>
<p class="verinfo">(PECL PDO_ODBC >= 0.1.0)</p><p class="refpurpose"><span class="refname">PDO_ODBC DSN</span> — <span class="dc-title">Connecting to ODBC or DB2 databases</span></p>
</div>
<div class="refsect1 description" id="refsect1-ref.pdo-odbc.connection-description">
<h3 class="title">Description</h3>
<p class="para">
The PDO_ODBC Data Source Name (DSN) is composed of the following elements:
<dl>
<dt>
<span class="term">DSN prefix</span>
<dd>
<p class="para">
The DSN prefix is <strong class="userinput"><code>odbc:</code></strong>. If you are connecting
to a database cataloged in the ODBC driver manager or the DB2 catalog,
you can append the cataloged name of the database to the DSN.
</p>
</dd>
</dt>
<dt>
<span class="term">DSN</span>
<dd>
<p class="para">
The name of the database as cataloged in the ODBC driver manager or
the DB2 catalog. Alternately, you can provide a complete ODBC
connection string to connect to a database as described at
<a href="http://www.connectionstrings.com/" class="link external">» http://www.connectionstrings.com/</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em>UID</em></span>
<dd>
<p class="para">
The name of the user for the connection. If you specify the user name
in the DSN, PDO ignores the value of the user name argument in the
PDO constructor.
</p>
</dd>
</dt>
<dt>
<span class="term"><em>PWD</em></span>
<dd>
<p class="para">
The password of the user for the connection. If you specify the
password in the DSN, PDO ignores the value of the password argument
in the PDO constructor.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 examples" id="refsect1-ref.pdo-odbc.connection-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-982">
<p><strong>Example #1 PDO_ODBC DSN example (ODBC driver manager)</strong></p>
<div class="example-contents"><p>
The following example shows a PDO_ODBC DSN for connecting to
an ODBC database cataloged as testdb in the ODBC driver manager:
</p></div>
<div class="example-contents"><div class="cdata"><pre>
odbc:testdb
</pre></div>
</div>
</div>
<div class="example" id="example-983">
<p><strong>Example #2 PDO_ODBC DSN example (IBM DB2 uncataloged connection)</strong></p>
<div class="example-contents"><p>
The following example shows a PDO_ODBC DSN for connecting to
an IBM DB2 database named <strong class="userinput"><code>SAMPLE</code></strong> using the full
ODBC DSN syntax:
</p></div>
<div class="example-contents"><div class="cdata"><pre>
odbc:DRIVER={IBM DB2 ODBC DRIVER};HOSTNAME=localhost;PORT=50000;DATABASE=SAMPLE;PROTOCOL=TCPIP;UID=db2inst1;PWD=ibmdb2;
</pre></div>
</div>
</div>
<div class="example" id="example-984">
<p><strong>Example #3 PDO_ODBC DSN example (Microsoft Access uncataloged connection)</strong></p>
<div class="example-contents"><p>
The following example shows a PDO_ODBC DSN for connecting to
a Microsoft Access database stored at <strong class="userinput"><code>C:\db.mdb</code></strong> using the full
ODBC DSN syntax:
</p></div>
<div class="example-contents"><div class="cdata"><pre>
odbc:Driver={Microsoft Access Driver (*.mdb)};Dbq=C:\\db.mdb;Uid=Admin
</pre></div>
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