APT_COLLATION_STRENGTH environment variable in DataStage

Set the APT_COLLATION_STRENGTH environment variable to specify the specifics of the collation algorithm. APT_COLLATION_STRENGTH can be used to ignore accents, punctuation, or other details.

APT_COLLATION_STRENGTH is set to one of Identical, Primary, Secondary, Tertiary, or Quaternary. Setting it to Default unsets the environment variable.