[英]Connecting to Oracle 18c Database with OCI8
I have set up an Oracle 18c database and am trying to connect to it from a php file but when I run a simple connection test, I receive a server error where it cant't seem to connect. 我已经建立了一个Oracle 18c数据库,并试图从一个php文件连接到它,但是当我运行一个简单的连接测试时,我收到一个服务器错误,它似乎无法连接。 I ran
print_r(getLoaded_extensions());
我跑了
print_r(getLoaded_extensions());
and from the output array it shows that I am currently not using the oci8 extension as I wanted. 从输出数组中可以看到,我目前未按需要使用oci8扩展名。 My connection test file contains the following
我的连接测试文件包含以下内容
#!/usr/local/bin/php
<?php
putenv("ORACLE_HOME=/usr/lib/oracle/18.3/client64")
$db = "(DESCRIPTION=(ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = ***.***.*.**)(PORT = 1521)))(CONNECT_DATA=(SID=orcl)))" ;
if($c = OCILogon("username", "password", $db))
{
echo "Successfully connected to Oracle.\n";
OCILogoff($c);
}
else
{
$err = OCIError();
echo "Connection failed." . $err[text];
}
I am unsure whether I set my putenv() wrong to the correct location of the oci.dll file or if I need to install the extension in the first place. 我不确定是否将我的putenv()错误设置为oci.dll文件的正确位置,或者是否需要首先安装扩展名。 Thank you
谢谢
因为您说过您检查了当前使用的扩展名并且OCI8不存在,所以我将继续安装该模块并在您的服务器上启用它
Most probably, the 18c default installation creates a Container DB (CDB) called ORCL and PDB1 (pluggable DB).. Run lsnrctl stat to look for the services created. 最可能是18c默认安装会创建一个名为ORCL和PDB1(可插拔DB)的容器数据库(CDB)。运行lsnrctl stat查找所创建的服务。 then, in DB connection, use service_name instead of SID for connection.
然后,在数据库连接中,使用service_name而不是SID进行连接。 The value of service_name can be seen in the output of lsnrctl stat
在lsnrctl stat的输出中可以看到service_name的值
Example. 例。
$db = "(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = patronus.domain.com)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = pdb1.domain.com)
)
)" ;
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