Normalization VS Denormalization [转]
摘要:
Denormalizationis the process of attempting to optimize the read performance of adatabaseby adding redundant data or by grouping data.[1][2]In some cases, denormalization helps cover up the inefficiencies inherent inrelationaldatabase software. A relationalnormalizeddatabase imposes a heavy access l 阅读全文
posted @ 2012-07-05 14:46 龙豆 阅读(738) 评论(0) 推荐(0)
浙公网安备 33010602011771号