Background: 64-bit operating system, no Oracle-32bit client installed, easy to use Plsql Developer (64bit-bit Oracle client not supported) 1, download Oracle Simple clients Instant Client: http://www.oracle.com/technetwork/topics/winsoft-085727.html. Download Instantclient-basic-win32-11.2.0.1.0.zip, Instantclient-odbc-win32-11.2.0.1.0.zip2, install instant ClientUnzip the downloaded two zip files.Select two zip files at the same time, and then right-click to extract to the current directory.For example, after unpacking my directory is D:\oracle\product\instantclient_11_23, set environment variables3.1 Setting the environment variable Tns_adminTns_adminFor example, =d:\oracle\product\instantclient_11_2\network\admin. (Default no subdirectories, Network\admin, manually created)
Note: Manually created subdirectories network\admin\, you need to create a file Tnsnames.ora
# Tnsnames.ora Network Configuration file:d:\oracle\product\instantclient_11_2\network\admin\tnsnames.ora# Generated by Oracle configuration tools. Oraclr_connection_data = (DESCRIPTION = ( address_list = ( ADDRESS = (PROTOCOL = IPC) (KEY = EXTPROC1521)) ) (Connect_data = (SID = clrextproc) (PRESENTATION = RO) ) ) ORCL = (DESCRIPTION = ( address_list = ( ADDRESS = (PROTOCOL = TCP) (HOST = 16101218-2) (PORT = 1521))
(Connect_data = (SERVER = dedicated) (service_name = ORCL) ) ) 133_nsdev = (DESCRIPTION = ( address_list = ( ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.0.133) (PORT = 1521)) ) (Connect_data =< c23/> (SERVER = dedicated) (service_name = Nsdev) ) )
3.2 Set environment variable Nls_lang (set method as 3.1)Like Nls_lang=simplified Chinese_china. Zhs16gbk"Simplified Chinese_china. ZHS16GBK "Values, depending on the situation. (Select Userenv (' language ') from dual;) 4, last step, set Plsql DeveloperOpen Plsqldev.exe, go to menu tool->preferences->connection (Tools, preferences, connect), set.
Oracle Instant clients Instant Client for easy use of Plsql developer method