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File:Isinst.gif
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EclipseLink typical inheritance hierarchy. In this example, instances of both Person and Student are stored in the same PERSON table, as PERSON Table shows: an instance of Person has a null value for STUDENT_NUMBER. Instances of Company are stored in a separate COMPANY table.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:46, 3 December 2007 | | 414 × 453 (4 KB) | Rick.sapir.oracle.com (Talk | contribs) | EclipseLink typical inheritance hierarchy. In this example, instances of both Person and Student are stored in the same PERSON table, as PERSON Table shows: an instance of Person has a null value for STUDENT_NUMBER. Instances of Company are stored in a se |
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