NAVICAT Direct Connect Oracle Database error ORA-12737 Instant Client light:unsupported Server character set ZHS16GBK use Navicat to connect to Oracle database today reported the following error: "ORA-12737 Instant client light:unsupported server character set ZHS16GBK" From this error, you can know that the client does not support the server-side character set caused by, But modifying the server-side character set is unrealistic, so we can only find the reason from the client. We know that Navicat connected to Oracle using the OCI mode, and I installed Navicat Premium using the OCI Instant Client 10 is not supported in addition to the English character set, Therefore, replacing the DLL file of the OCI used by Navicat can solve this problem. 1.Navicat OCI Reference location can be found from the Navicat menu bar "Tools"-"Options"-"OCI" as shown in:
Files replaced by 2.Navicat
3.ORACLE new version of DLL file I have the Oracle Enterprise full version of the database, so it contains the DLL files required to connect the Oracle client, so in my native Oracle directory: D:\ProgramFiles\Oracle\product\ The following files are found under 11.1.0\db_1\bin:
The replacement is 4. After restarting the Navicat replacement file, restart Navicat is required and a new version of OCI can be applied after a reboot.
Navicat Connecting to Oracle database will error