I can pass unicode symbols using SQL Window. But, I can not pass unicode symbols using Test or Command windows. It seems a bug.
PL/SQL Developer Version 10.0.5.1710
Windows 7 (64-bit) 6.1 Build 7601 (Service Pack 1)
OCI: version 11.1
Oracle Database 11g Release 11.2.0.2.0
Character Sets
Character size: 1 byte(s)
CharSetID: 31
NCharSetID: 2000
Unicode Support: True
NLS_LANG: AMERICAN_AMERICA.CL8MSWIN1251
NLS_CHARACTERSET: WE8ISO8859P1
NLS_NCHAR_CHARACTERSET: AL16UTF16

PL/SQL Developer Version 10.0.5.1710
Windows 7 (64-bit) 6.1 Build 7601 (Service Pack 1)
OCI: version 11.1
Oracle Database 11g Release 11.2.0.2.0
Character Sets
Character size: 1 byte(s)
CharSetID: 31
NCharSetID: 2000
Unicode Support: True
NLS_LANG: AMERICAN_AMERICA.CL8MSWIN1251
NLS_CHARACTERSET: WE8ISO8859P1
NLS_NCHAR_CHARACTERSET: AL16UTF16
Last edited: