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Results tagged with inheritance
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user 1050
For questions about extending a base object's features into a derived object.
3
votes
Accepted
Postgresql inheritance based database design
Whether you are better off with single-table-inheritance or class-table-inheritance really depends on the particulars of your case. The performance advantage can go either way. …
- 4,386
0
votes
Modeling a product database and dealing with inheritance
ER models have inheritance, only the ER people call it "generalization/specialization". … Here they are: single table inheritance; class table inheritance; shared primary key.
The first two are alternatives. They each have an upside and a downside. …
- 4,386
2
votes
Inheritance of unknown type at creation time
Try searching "single table inheritance" or "class table inheritance". Especially the web pages from Martin Fowler. …
- 4,386
4
votes
Conceptual ERD Multi-table many to many, or possibly recursive?
At first, it didn't have anything like inheritance either. … Try looking up these two design patterns "Class-table-inheritance" and "Single-Table-Inheritance". There are two tags for these in over in Stackoverflow. …
- 4,386
3
votes
Accepted
Enhanced ER Model Supertype / Subtype modeling issue with inheritance and recursion
You may wish to include this tag in your original question: subtypes
Here are three of the techniques in a nutshell: single table inheritance, class table inheritance, and shared primary key. … His examples are about players and cricketers, not customers and representatives, but the issues concerning implementing inheritance (really pseudo inheritance) in a relational system are not case dependent …
- 4,386