Plsql developer because there is no corresponding 64-bit program, you can use this program to connect to Oracle only for x86 Oracle clients. This example is oracle11g, go to the official website to download instantclient_11_2 version x86. You can use this green program directly after 11g without installing the program.
1. Configure environment variables: Oracle_home=d:\program Files (x86) \instantclient_11_2
Tns_admin=d:\program Files (x86) \instantclient_11_2\network\admin
The NETWORK and admin are created manually if they are not.
2. Set Plsql Developer:
1) Enter the program, Menu: Tools-Preferences
2) Set the Oracle home directory, OCI Library, if the environment variables are set correctly, the dropdown will be found automatically.
Oracle home directory: D:\Program Files (x86) \instantclient_11_2
OCI Library: D:\Program Files (x86) \instantclient_11_2\oci.dll
OK, save. Exits the program.
3) Start the program and enter the login screen:
Database and other drop-down will have tns_admin Tnsnames.ora configured connection name, enter the user name, password to log in.
This article is from the "people in the Forest" blog, make sure to keep this source http://penseestroller.blog.51cto.com/3167878/1562806
Plsql Developer configuration oralce11g Connection Go