1 – parameter
Specifies the national character set for your session. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for more information about the supported character sets.
2 – parameter-marker
Specifies the national character set for your session. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for more information about the supported character sets.
3 – 'string-literal'
Specifies the national character set for your session. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for more information about the supported character sets.