COLLKEY = [UCA600
UCA410
UCA400R1
UCAnnn_L_R_V] The COLLKEY option specifies the collation rules to be used for Unicode (UTF8/UTF16/UTF32) field processing. 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.