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File:Uniquepk.gif
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Uniquepk.gif (287 × 219 pixels, file size: 6 KB, MIME type: image/gif)
This figure illustrates, the value of the foreign key in the source table (C_ID) mapped to the primary key of the target table is unique. No primary key values among the target tables are the same, so primary key values are not unique just in the table, but also among the tables.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:52, 4 December 2007 | | 287 × 219 (6 KB) | Rick.sapir.oracle.com (Talk | contribs) | This figure illustrates, the value of the foreign key in the source table (C_ID) mapped to the primary key of the target table is unique. No primary key values among the target tables are the same, so primary key values are not unique just in the table, |
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