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oracle patition 分区和索引

巧了我就是萌 提交于 2019-12-18 19:16:46
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> oracle patition 分区 参考博文 http://docs.oracle.com/cd/B10501_01/server.920/a96524/c12parti.htm#460945 简单的分区方法是 Hash Partitioning Hash partitioning enables easy partitioning of data that does not lend itself to range or list partitioning. It does this with a simple syntax and is easy to implement. It is a better choice than range partitioning when: You do not know beforehand how much data maps into a given range The sizes of range partitions would differ quite substantially or would be difficult to balance manually Range partitioning would cause the data to be