Timeline for Could a null column be part of a primary key?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 31, 2018 at 6:08 | vote | accept | VansFannel | ||
| Sep 19, 2015 at 6:16 | comment | added | VansFannel | Thanks for your design. I haven't added a new table because I thought these tables are used only in many-to-many relationship. | |
| Sep 18, 2015 at 9:10 | history | edited | ypercubeᵀᴹ | CC BY-SA 3.0 |
added 237 characters in body
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| Sep 18, 2015 at 9:01 | history | edited | ypercubeᵀᴹ | CC BY-SA 3.0 |
added 95 characters in body
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| Sep 18, 2015 at 8:55 | history | edited | ypercubeᵀᴹ | CC BY-SA 3.0 |
added 1979 characters in body
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| Sep 18, 2015 at 8:52 | comment | added | VansFannel | Thanks, you could alter the design if you want. I could learn a lot. | |
| Sep 18, 2015 at 8:39 | history | answered | ypercubeᵀᴹ | CC BY-SA 3.0 |