Installing 32-bit and 64-bit Oracle clients first in many Oracle installation introductions, there are references to setting 2 points, one, E1, and environment variables. nls_lang=simplified Chinese_china. ZHS16GBK2.Tns_adminD:\app\product\11.2.0\client_1_64\network\admin second, through the PL/SQL login, set up preferences.
The upper left corner of the red box can see the display is not logged in, that is, when logged in PL/SQL, do not fill in the account password, directly cancel, and then will bounce to the page. Select Preferences in Tools. Oracle Home is a free fill. OCI Library, which is downloaded in the official website of the package, and then extracted. (This step is more important)
Then find the oracle-oraclient11g_home1 under configuration and porting tools in all programs below Netmanager
Pop
fill it out, then next, pop
Select TCP/IP, next
Fill in the Oracle host IP address, next
Fill in the database name rank and then next. Then enter the account password, verify, OK, after the D:\app\product\11.2.0\client_1_64\network\admin will generate the corresponding Ora file, and then you can use PL/SQL login.
Do not install Oracle client, connect Oracle with Plsql
