How to connect to Oracle remotely with Plsql on a computer that does not have Oracle installed
Download Instantclient, my is WIN7, download is Instantclient-basiclite-nt-12.1.0.1.0.zip
Unzip to a fixed directory such as C:\instantclient_plsql
Create a file in the extracted directory Network\admin\tnsnames.ora
Edit the contents of the file, and note that IP and prot are used by remote Oracle
# Tnsnames.ora Network Configuration file:c:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora# Generated by Oracle configuration Tools.
ORCL = (DESCRIPTION = (Address_list = (ADDRESS = (PROTOCOL = TCP) (HOST = 172.16.176.110) (PORT = 1521)) (C Onnect_data = (SERVER = dedicated) (service_name = ORCL)))
Extproc_connection_data = (DESCRIPTION = (Address_list = (ADDRESS = (PROTOCOL = IPC) (KEY = EXTPROC1))) (CO Nnect_data = (SID = plsextproc) (PRESENTATION = RO)))
Set Plsql, menu is tools\prefrence
Restart the Plsql, you can connect remotely
PL/SQL How to connect to Oracle remotely