2014年7月17日 星期四

[Database Design Idea] Designs user table id by unique code rather than by auto_incrementing

Someone designs the appuser table as follows:

appuser_id
candy
abigail
florance
simon
peter
...

rather than
appuser_id
1
2
3
4
5
...

to save the effort on table joining and retrieving. For reference.

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