PL/Sql Developer远程连接oracle(本机不需安装)
1、下载好Instant Client,解压好,如图:

2、配置InstantClient:
在instantclient解压目录下分别新建如下两个文件tnsnames.ora/listener.ora。
编辑listener.ora内容:
LISTENER1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
编辑tnsnames.ora内容:
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
如下图:



3、配置instantclient的环境变量:
在电脑的系统环境变量下,增加如下环境变量
1、NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
2、Path添加:G:\Program Files\instantclient_11_2
3、TNS_ADMIN=G:\Program Files\instantclient_11_2



4、PL/Sql配置InstantClient路径:
进入PL/Sql点击工具->首选项 出现如图配置界面
这里在左侧菜单项找到到连接,点击后会在右侧出现如图配置界面,在红色箭头标注位置替换InstantClient的解压路径
oracle主目录名:D:\Program Files\instantclient_11_2
OCI库:D:\Program Files\instantclient_11_2\oci.dll
如图


5、重启PL/Sql Developer然后发现数据库出现在了plsql的登录界面,此时Oracle可以用plsql正常使用了。
如图:
