1 – parameter
Specifies the default character set for your session. The value of runtime-options must be a valid character set. For a list of allowable character set names and option values, see Oracle Rdb SQL Reference Manual.
2 – parameter-marker
Specifies the default character set for your session. The value of runtime-options must be a valid character set. For a list of allowable character set names and option values, see the Oracle Rdb SQL Reference Manual.
3 – 'string-literal'
Specifies the default character set for your session. The value of runtime-options must be a valid character set. For a list of allowable character set names and option values, see the Oracle Rdb SQL Reference Manual.