Figure 1. COLLKEY Format
COLLKEY = [UCA600
UCA410
UCA400R1
UCAnnn_L_R_V]
COLLKEY provides an overriding value to the
default COLLKEY value that determines the collation rules for Unicode
(UTF8/UTF16/UTF32) fields specified in INCLUDE, OMIT, MERGE, or SORT control
statements. nnn can be 600, 410, or 410R1, which is the version of the Unicode Standard. L, R, and V are optional Language, Region, and Variant designation. The delivered default is UCA600.