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Connect to an Oracle database using a persistent connection:
Connect to an Oracle database using a persistent connection - Manual in BULGARIAN
Connect to an Oracle database using a persistent connection - Manual in GERMAN
Connect to an Oracle database using a persistent connection - Manual in ENGLISH
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Ostatnie szukania:
function functions , include functions , variable functions , post functions




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OCI8 Funkcje
PHP Manual

oci_pconnect

(PHP 5, PECL OCI8 >= 1.1.0)

oci_pconnectConnect to an Oracle database using a persistent connection

Opis

resource oci_pconnect ( string $username , string $password [, string $connection_string [, string $character_set [, int $session_mode ]]] )

Creates a persistent connection to an Oracle server and logs on.

Persistent connections are cached and re-used between requests, resulting in reduced overhead on each page load; a typical PHP application will have a single persistent connection open against an Oracle server per Apache child process (or PHP FastCGI/CGI process). See the Persistent Database Connections section for more information.

Parametry

username

The Oracle user name.

password

The password for username .

connection_string

Contains the Oracle instance to connect to. It can be an » Easy Connect string, or a Connect Name from the tnsnames.ora file, or the name of a local Oracle instance

If not specified, PHP uses environment variables such as TWO_TASK (on Linux) or LOCAL (on Windows) and ORACLE_SID to determine the Oracle instance to connect to.

To use the Easy Connect naming method, PHP must be linked with Oracle 10g or greater Client libraries.

character_set

Używając serwera Oracle 9.2 lub nowszej wersji można podać parametr charset , który zostanie użyty przy nowym połączeniu. Używając serwera Oracle < 9.2 ten parametr zostanie zignorowany, a zamiast niego użyta zostanie zmienna środowiskowa NLS_LANG.

session_mode

This parameter is available since version PECL oci8 1.1 and accepts the following values: OCI_DEFAULT, OCI_SYSOPER and OCI_SYSDBA. If either OCI_SYSOPER or OCI_SYSDBA were specified, this function will try to establish privileged connection using external credentials. Privileged connections are disabled by default. To enable them you need to set oci8.privileged_connect to On.

PHP 5.3 and PECL oci8 1.3.4 introduced the OCI_CRED_EXT mode value. This tells Oracle to use External or OS authentication, which must be configured in the database. The OCI_CRED_EXT flag can only be used with username of "/" and a empty password. oci8.privileged_connect may be On or Off.

OCI_CRED_EXT may be combined with the OCI_SYSOPER or OCI_SYSDBA modes.

OCI_CRED_EXT is not supported on Windows for security reasons.

Zwracane wartości

Returns a connection identifier or FALSE on error.

Notatki

Informacja: Starting with PHP 5.1.2 and PECL oci8 1.1, the lifetime and maximum number of persistent Oracle connections can be tuned by setting the following configuration values: oci8.persistent_timeout, oci8.ping_interval and oci8.max_persistent.

Informacja: In PHP versions before 5.0.0 you must use ociplogon() instead. The old function name can still be used in current versions, however it is deprecated and not recommended.

Zobacz też:


OCI8 Funkcje
PHP Manual

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