1 – parameter
Specifies the character set for literals that are not qualified by a character set or national character set. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for a list of the allowable character sets and option values.
2 – parameter-marker
Specifies the character set for literals that are not qualified by a character set or national character set. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for a list of the allowable character sets and option values.
3 – 'string-literal'
Specifies the character set for literals that are not qualified by a character set or national character set. The value of runtime-options must be a valid character set. See the Oracle Rdb SQL Reference Manual for a list of the allowable character sets and option values.