Errors and wrinkles in HQDM as documented #88
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Relationship inheritance issue in entity types |
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The entity type |
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To note, this has been rectified in the hqdmTop EXPRESS file by PR #2. |
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The entity type functional_system inherits The reason for this is seems to be that |
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Analysis has found the missing subtypes for the system and system component extensions are:
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Issues and recommended strategies for dealing with them for HQDM as originally documented
The book Developing High Quality Data Models contains, in Chapter 17, the model that the Magma Core repo implements. The original model contains 231 entities and many relationships. Type and relationship inheritance is vital for the enforcement of the model patterns that the book documents. Some errors, omissions and wrinkles have been discovered and it's worth keeping track of them and their consequences.
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