PDO_OCI DSN

Connecting to Oracle databases

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.

Example #1 PDO_OCI DSN examples

The following examples show a PDO_OCI DSN for connecting to Oracle databases:

// Connect to a database defined in tnsnames.ora
oci:dbname=mydb

// Connect using the Oracle Instant Client
oci:dbname=//localhost:1521/mydb