Hp Intelligent Management Center Standard Software Pl Manual do Utilizador Página 597

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Every report that you store in BusinessObjects Enterprise uses managed
list-of-values objects. All managed list-of-values objects are based on a
Business View, even if the report itself does not use a Business View.
Managed list-of-values objects have a number of features that are not
available to unmanaged list-of-values objects.
Managed list of
values
Unmanaged list of values
Feature
Business Views
Command ob-
jects
Report fields
Yes
The database is
queried for each
level as the user
selects values in
the prompting di-
alog box (provid-
ed the Business
View is not
based on a com-
mand object).
No
The database is
queried for all
values in all lev-
els of the list at
one time.
Yes
The database is
queried for each
level as the user
selects values in
the prompting di-
alog box.
Database query
per list-of-value
level.
Yes
Business Views
support filters.
Yes
Any filter that
can be represent-
ed in SQL can
be used.
No
All of the values
in the report
fields that are al-
so in the list of
values definition
are used.
At design time,
specify a filter for
the list of values.
Crystal Reports 2008 SP3 User's Guide 597
23
Parameter Fields and Prompts
Understanding lists of values
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