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# PDO_IBM DSN

(PECL PDO_IBM >= 0.9.0)

PDO_IBM DSN — Connecting to IBM databases

### Description

The PDO_IBM Data Source Name (DSN) is based on the IBM CLI DSN. The major components of the PDO_IBM DSN are:

DSN prefix

  The DSN prefix is `ibm:`.

DSN

  The DSN can be any of the following:

  - a) Data source setup using db2cli.ini or odbc.ini

  - b) Catalogued database name i.e. database alias in the DB2 client catalog

  - c) Complete connection string in the following format: `DRIVER={IBM DB2 ODBC DRIVER};DATABASE=`database`;HOSTNAME=`hostname`;PORT=`port`;PROTOCOL=TCPIP;UID=`username`;PWD=`password`;` where the parameters represent the following values:

    `database`

      The name of the database.

    `hostname`

      The hostname or IP address of the database server.

    `port`

      The TCP/IP port on which the database is listening for requests.

    `username`

      The username with which you are connecting to the database.

    `password`

      The password with which you are connecting to the database.

### Examples

Example #1 PDO_IBM DSN example using db2cli.ini

The following example shows a PDO_IBM DSN for connecting to an DB2 database cataloged as DB2_9 in db2cli.ini:

    $db = new PDO("ibm:DSN=DB2_9", "", "");

    [DB2_9]
    Database=testdb
    Protocol=tcpip
    Hostname=11.22.33.444
    Servicename=56789

Example #2 PDO_IBM DSN example using a connection string

The following example shows a PDO_IBM DSN for connecting to an DB2 database named `testdb` using the DB2 CLI connection string syntax.

    $db = new PDO("ibm:DRIVER={IBM DB2 ODBC DRIVER};DATABASE=testdb;" .
      "HOSTNAME=11.22.33.444;PORT=56789;PROTOCOL=TCPIP;", "testuser", "tespass");

IBM (PDO)
Informix (PDO)
IBM (PDO)
PHP Manual