# PDO_PGSQL DSN

(PECL PDO_PGSQL >= 0.1.0)

PDO_PGSQL DSN — Connecting to PostgreSQL databases

### Description

The PDO_PGSQL Data Source Name (DSN) is composed of the following elements, delimited by spaces or semicolons:

DSN prefix

  The DSN prefix is `pgsql:`.

host

  The hostname on which the database server resides.

port

  The port on which the database server is running.

dbname

  The name of the database.

user

  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.

password

  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.

> Note:

> The bytea fields are returned as streams.

### Examples

Example #1 PDO_PGSQL DSN examples

The following example shows a PDO_PGSQL DSN for connecting to a PostgreSQL database:

    pgsql:host=localhost;port=5432;dbname=testdb;user=bruce;password=mypass