Chapter 3 Building Conceptual Data Models
Check parameters are set of conditions which data must satisfy to remain valid. There are three types of check parameters:
Parameter type |
Description |
Can be attached to |
|---|---|---|
| Standard check parameters | Common data constraints which define a data range. For example minimum and maximum values for a column | Entity 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 | Entity attributes
Domains |
| Validation rule | Business rule that is defined as a server expression, and is attached to one of the following listed objects | Entities
Entity attributes Domains |
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