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# PDO_OCI DSN

(no version information, might be only in CVS)

PDO_OCI DSN -- Connecting to Oracle databases

## Description

The PDO_OCI Data Source Name (DSN) is composed of the following elements:

DSN prefix

  The DSN prefix is `oci:`.

`dbname` (Oracle Instant Client)

  The URI for the Oracle Instant Client connection takes the form of `dbname=//hostname:port-number/database`. If you are connecting to a database defined in `tnsnames.ora`, use only the name of the database: `dbname=database`.

`charset`

  The client-side character set for the current environment handle.

## Examples

Example 1. PDO_OCI DSN examples The following examples show a PDO_OCI DSN for connecting to Oracle databases:
    oci:mydb
    oci:dbname=//localhost:1521/mydb

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