看具体情况，拆分表，可按“日”，“月”，“年”等等
+-----------+
| category |
|-----------|
+-->|id | <---+
| |title | |
| |description| 1:n
| |status | |
| |parent_id | o---+
| +-----------+
|
1:n
|
| +-----------------+ +------------------+
| | article_2008_01 | | feedback_2008_01 |
| |-----------------| |------------------|
| |id |<--1:n--+ |id |
| |title | | |title |
| |content | | |content |
| |datetime | | |datetime |
| |status | | |status |
+--o|category_id | +--o|news_id |
+--o|user_id | +-->|user_id |
| +-----------------+ | +------------------+
| |
1:n +----------+ +---1:n---+
| | user | |
| |----------| |
+-->|id | <---+
|user |
|passwd |
|nickname |
|status |
+----------+
分区表可以通过表空间，等等技术实现，优点是解决了Union查询问题，保证了数据的一致性。
+-----------+
| category |
|-----------|
+-->|id | <---+
| |title | |
| |description| 1:n
| |status | |
| |parent_id | o---+
| +-----------+
|
1:n
|
| +-----------------+ +-----------------+
| | article | | feedback |
| |-----------------| |-----------------|
| |id |<--1:n--+ |id |
| |title | | |title |
| |content | | |content |
| |datetime | | |datetime |
| |status | | |status |
+--o|category_id | +--o|news_id |
+--o|user_id | +-->|user_id |
| +-----------------+ | +-----------------+
| | 2007,2008,2009 | | | 2007,2008,2009 |
| +-----------------+ | +-----------------+
| |
1:n +----------+ +---1:n---+
| | user | |
| |----------| |
+-->|id | <---+
|user |
|passwd |
|nickname |
|status |
+----------+
原文出处：Netkiller 系列 手札
本文作者：陈景峯
转载请与作者联系，同时请务必标明文章原始出处和作者信息及本声明。
