Unique Index
基本解释
- 唯一索引
英汉例句
- The primary key and any unique index of the table must be a superset of the associated partitioning key.
表的主鍵和所有惟一索引都必須是相關分區鍵的超集。 - On a federated system, unique index information might be required to perform an UPDATE/DELETE operation for some data sources.
在一個聯邦系統上,爲了爲某些數據源執行 UPDATE/DELETE 操作,需要惟一的索引信息。 - In other words, all columns that are part of the partitioning key must be present in the primary key or unique index definition.
換句話說,作爲分區鍵一部分的所有列都必須出現在主鍵或惟一索引定義中。 - Like most unique asset classes, the index has periods of outperformance and periods of underperformance.
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雙語例句
權威例句
词组短语
- unique clusterd index 索引
- unique clustered index 唯一聚集索引
- create UNIQUE index 唯一性索引
- UNIQUE INDEX SCAN 是純粹的
- Unique Index Lookup 唯一索引查找
短語
专业释义
- 唯一索引