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Appendix D NATIVE LANGUAGE SUPPORT
Native Language Support (NLS) features can be accessed in QUERY to
retrieve data which meet user-defined selection criteria, and to sort
data according to native language collating sequences. The user must
know what the user language in QUERY is, how the language is specified,
how the language affects the output, and how to determine which language
is being used.
IMAGE data bases have a language attribute that describes the collating
sequence used in sorted chains and locking. This language attribute does
not affect QUERY operation.
Although QUERY commands are in English, the output will be sorted and
formatted according to the QUERY user's language. The language of the
data base may determine the data sequence while using QUERY passively for
retrieval (e.g. FIND). When data is being sorted or formatted by QUERY,
the user's language will determine the ordering and formatting of the
data.
For example, in a French data base with a QUERY user's language of
Danish, data items in a sorted chain might be retrieved according to the
French collating sequence; but the sorting or formatting is done
according to Danish criteria.
The user can specify the QUERY user's language by:
* Using an MPE command:
:SETJCW NLUSERLANG = langnum (Default is NATIVE-3000)
* Using a QUERY command:
>LANGUAGE= langnum (Default is NLUSERLANG)
or
>LANGUAGE= langname (Default is NLUSERLANG)
For example, if the user's language is French, the QUERY command is:
>LANGUAGE= 7
or
>LANGUAGE= FRENCH
Or the MPE Job Control Word NLUSERLANG may be used:
:SETJCW NLUSERLANG = 7
The LANGUAGE= command always overrides NLUSERLANG. If neither option is
used to specify the user's language, QUERY assumes LANGUAGE=0
(Native-3000). NATIVE-3000 is the default, which ensures backward
compatibility. When the user's language is NATIVE-3000, QUERY performs
as it did before NLS features were available.
QUERY allows access to more than one data base at the same time. This
means that more than one data base language attribute may be active at
the same time. In any case, upshifting, collating, range selection,
formatting, or sorting is dependent on the QUERY user's language
specified by the user via the JCW NLUSERLANG or the LANGUAGE= command.