Relation To Database Management
As argued by Christopher J Date, business rules translate into data integrity constraints when one thinks in terms of the relational model of database management. Thus, a true RDBMS could be thought of in terms of a declarative business rules engine with added data management capability. This is currently implemented in Rel and Alphora Dataphor.
However, business rules need not only be regarded as constraints. They can also be used to specify constructive business policies, such as "preferred clients get a discount of 10%". Used in this way, business rules are like SQL queries, rather than data integrity constraints. This solution direction is implemented in USoft.
Read more about this topic: Business Rules Approach
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