查询 v$nls_parameters SQL> SELECT * FROM v$nls_parameters 2 WHERE parameter IN ('NLS_NCHAR_CHARACTERSET','NLS_CHARACTERSET');PARAMETER VALUE ---------------------------------------------------------------- ---------------------------------- NLS_CHARACTERSET ZHS16GBK NLS_NCHAR_CHARACTERSET AL16UTF16
SQL> SELECT * FROM v$nls_parameters
2 WHERE parameter IN ('NLS_NCHAR_CHARACTERSET','NLS_CHARACTERSET');PARAMETER VALUE
---------------------------------------------------------------- ----------------------------------
NLS_CHARACTERSET ZHS16GBK
NLS_NCHAR_CHARACTERSET AL16UTF16