sdf ::=
SDF ( [ field_name | CONSTANT filename ] [os_file_proc_clause] [READSIZE size]
[CHARACTERSET name] [LENGTH [SEMANTICS] {BYTE | CHAR | CHARACTER}]
[BYTEORDER { BIG | LITTLE } [ENDIAN]] [BYTEORDERMARK { CHECK | NOCHECK }] )
For information on how to read this syntax, see Appendix B.
End of description.