... 字典式攻击 dictionary attack 自动字典 dictionary automatic 字典目录 dictionary catalog ...
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DB 2 Viper 2中引入了自动字典创建特性,以进一步增强行压缩。
In DB2 9.5, the automatic dictionary creation feature is introduced to further enhance the row compression offering.
在DB 2 9.5中,添加了自动字典创建,所以不再需要自行构建字典;在DB 2 9.7中,索引和临时表现在可以压缩。
In DB2 9.5, automatic dictionary creation was added so you no longer had to deal with building a dictionary yourself; in DB2 9.7, indexes and temporary tables can now be compressed.
ADC的前提是根据抽样的一小部分表数据自动创建一个代表性的压缩字典。
The premise behind ADC is to automatically create a representative compression dictionary based on sampling a small subset of table data.
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