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Month: January 2017

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某分区的索引失效导致绑定变量查询都无法使用索引

01/23/201701/29/2018joybeanNo Comments

Oracle中某个分区上的索引失效导致在该索引字段上的所有绑定变量的查询都无法使用索引的问题分析及解决方法

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数据库oracle, 索引

谈谈补码

01/22/201710/16/2017joybeanNo Comments

补码的定义、补码的好处以及补码的原理

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理解计算机二进制

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