File:PrimaryKey zht.svg
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| Description | 資料庫理論中, 超鍵、候選鍵與主鍵之間的關係。 |
| Date | (UTC) |
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| Author |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Translated to (traditional) Chinese. The original can be viewed here: PrimaryKey.svg:  . Modifications made by 石庭豐.
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I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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This image is a derivative work of the following images:
- File:PrimaryKey.svg licensed with Cc-by-sa-3.0, GFDL
- 2010-06-03T08:09:48Z PHummel 534x306 (2697 Bytes) Removed the A4 place holer (croped to the size of the contents)
- 2010-06-03T07:58:56Z PHummel 744x1052 (5607 Bytes) {{Information |Description={{de|1=Dieses Bild beschreibt die Mengenverhältnisse zwischen Superschlüsseln, Schlüsselkandidaten und Primärschlüsseln.}} |Source={{own}} |Author=[[User:PHummel|PHummel]] |Date=2010-06-03 |Per
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:35, 25 May 2011 | | 534 × 306 (4 KB) | 石庭豐 (talk | contribs) | {{Information |Description=資料庫理論中, 超鍵、候選鍵與主鍵之間的關係。 |Source=*File:PrimaryKey.svg |Date=2011-05-25 09:33 (UTC) |Author=*File:PrimaryKey.svg: PHummel *derivative work: ~~~ |Permission= |o |
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