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Defining check parameters
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Defining check parameters
Check parameters are set of conditions which data must satisfy to remain
valid. They are used principally in for use in a CDM or a PDM.
There are two types of check parameters:
Parameter type Description
Can be
attached to
Standard parameters Common data constraints which define a
data range. For example minimum and
maximum values for an attribute
Attributes
Domains
Additional check
parameters
SQL expression defining a data
constraint using the %MINMAX%,
%LISTVAL%, and %RULES% variables
that are instantiated with standard
parameter values
Attributes
Domains
Validation rule Business rule that is defined as a server
expression, and is attached to one of the
following listed objects
Classes
Attributes
Domains
Setting standard check parameters for objects
Standard parameters indicate common data constraints. The following table
lists standard parameters:
Parameter Description
Minimum Lowest acceptable numeric value
Maximum Highest acceptable numeric value
Default Value assigned in absence of an expressly entered value
Format Data format (for example, 9999.99)
Unit Standard measure
Uppercase Forces all alphabetical characters to uppercase
Lowercase Forces all alphabetical characters to lowercase
Cannot Modify Protects from changes, results in a nonmodifiable attribute in
the class
List of Values Authorized values