As Plsql developer did not provide 64-bit, so according to the information on the Internet to do a bit of finishing, sent up
1. Download and install the Oracle 11g R2 64-bit, ignoring the hardware detection failure information when installing on the server;
2, download the Oracle 11g R2 32-bit client, unzip it to the D:\app\Jack\product directory, and named Instantclient;
Client download can go Baidu: Instantclient-basic-nt-11.2.0.2.0.zip must be able to find, remember is the next 32 bit
3, download and install PL/SQL 9.0 (or above), the installation process PL/SQL will automatically detect the client directory, loading the corresponding DLLs, respectively: Oracle home=d:\app\jack\product\instantclient; OCI Library=d:\app\jack\product\instantclient\oci.dll. If there is no automatic detection of the situation, in the absence of landing tools->preferences connection set up the Oracle home and OCI Library;
4. Key step: Copy a directory under the root directory of the database installation D:\app\Jack\product\11.2.0\dbhome_1\NETWORK to the Oracle client directory D:\app\Jack\product\ instantclient;
5, Start Oracle database service Oracleoradb11g_home1tnslistener and ORACLESERVICEORCL, user login, connect PL/SQL Success!
6, another to get a Chinese bar, or some Chinese support is not very good, such as stored procedures, etc.
Environment variable: nls_lang= "simplified Chinese_china. ZHS16GBK "
(64-bit Oracle uses 32-bit plsql) to install 64-bit Oracle database software using a 32-bit Plsql Developer Connection method