[ER圖，數據建模與數據字典](ER%E5%9B%BE%EF%BC%8C%E6%95%B0%E6%8D%AE%E5%BB%BA%E6%A8%A1%E4%B8%8E%E6%95%B0%E6%8D%AE%E5%AD%97%E5%85%B8.md) [數據中設計中的范式與反范式](%E6%95%B0%E6%8D%AE%E4%B8%AD%E8%AE%BE%E8%AE%A1%E4%B8%AD%E7%9A%84%E8%8C%83%E5%BC%8F%E4%B8%8E%E5%8F%8D%E8%8C%83%E5%BC%8F.md) [字段類型與合理的選擇字段類型](%E5%AD%97%E6%AE%B5%E7%B1%BB%E5%9E%8B%E4%B8%8E%E5%90%88%E7%90%86%E7%9A%84%E9%80%89%E6%8B%A9%E5%AD%97%E6%AE%B5%E7%B1%BB%E5%9E%8B.md) [表的垂直拆分和水平拆分](%E8%A1%A8%E7%9A%84%E5%9E%82%E7%9B%B4%E6%8B%86%E5%88%86%E5%92%8C%E6%B0%B4%E5%B9%B3%E6%8B%86%E5%88%86.md) [詳解慢查詢](%E8%AF%A6%E8%A7%A3%E6%85%A2%E6%9F%A5%E8%AF%A2.md) [mysql的最佳索引攻略](mysql%E7%9A%84%E6%9C%80%E4%BD%B3%E7%B4%A2%E5%BC%95%E6%94%BB%E7%95%A5.md)