英语词汇“Bitmap Index”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Bitmap Index
释义	Bitmap Index 基本例句位图索引 Bitmap indexes on partitioned tables must be local indexes.分区表的位图索引必须是本地索引。 A good candidate for a bitmap index would be a gender column due to the low number of possible values.在类似于性别的数据列上适合创建位图索引，因为这样的列中可能的键值的数量较少。
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