Presents: ObjectRoleModeling.com Thursday, March 11, 2010
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For those of you interested in such things, I thought I’d highlight some stuff from my attendance at this year’s Business Rules Forum. Read More...

I’ve released a first stab at a bit of XSLT that will transform the Database Model Diagram XML Output from the Orthogonal Toolbox into SQL DDL. Read More...

You may have noticed than when an object type is the result of a nested predicate, you can specify extra information on the "Nested Roles" tab of the "Database Properties" window. This is provided in case you wish to add extra semantics between the relationship of the nested object type and the object types that make up the fact type that was nested. Read More...

User defined types are typically used to express semantic domains that cross multiple attributes. For example, one could create a type named "Phone Number" as some sort of length-limited character type and then use that type as the basis for several attributes such as fax number, mobile number, office number, home number, and so on. Read More...


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