II_COLLATION
II_COLLATION determines the collation sequence for a non-Unicode-enabled database if one is not specified on the CREATEDB command (using the -l flag). II_COLLATION can be defined at the system level or redefined by the individual user at the process level.
Valid values are:
MULTI
Specifies the DEC Multinational character sequence
SPANISH
Specifies the Spanish alphabet's character sequence
collation_name
Specifies a custom collation sequence (non-Unicode)
More on collation sequences is described in
Local Collation Sequences (see page
Local Collation Sequences).