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7 年
Oracle 19c 新特性:混合分区表Hybrid partitioned tables强体验
老张拉呱:thomas zhang,甲骨文云平台事业部资深技术顾问,2008年加入甲骨文公司数据库咨询部门,10+年甲骨文解决方案咨询 ...
it168
12 年
SQL Server高可用性之文件与文件组
下面例子是一个简单的分区表,并对索引进行分区后,仅仅重建某个分区,而不是整个索引。比如说表中按照数据冷热进行分区,可以仅仅对热数据进行重建,从而大大减少了重建索引所需的时间,如代码清单1所示。 代码清单1.仅仅重建某个分区,而不是整个 ...
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