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concatenated index
释义
concatenated index
网络
组合索引;串联索引
网络释义
1.
组合索引
组合索引
(
concatenated index
):由多个列构成的索引,如create index idx_emp on emp(col1, col2, col3, ……),则我们称idx_e…
database.51cto.com
2.
串联索引
前缀建立在
串联索引
(
concatenated index
)的前几列上,这些列有许多重复的值。后缀则在索引键的后几列上,这是前缀所在 …
blog.chinaunix.net
例句
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更新时间:2026/10/25 10:17:15