a candidate key is a minimal superkey.
候選鍵是極小的超鍵。
any superkey can uniquely identify a row in the table.
任何超鍵都可以唯一識別表中的一行。
the primary key is selected from the available superkeys.
主鍵從可用的超鍵中選出。
a superkey functions as a unique identifier for tuples.
超鍵作為元組的唯一識別符。
understanding the concept of a superkey is vital for normalization.
了解超鍵的概念對於規範化至關重要。
the composite key acts as a superkey for this entity.
這個複合鍵作為此實體的超鍵。
we must identify a valid superkey before defining the primary key.
在定義主鍵之前，我們必須識別一個有效的超鍵。
adding an extra attribute to a candidate key creates a superkey.
向候選鍵添加額外屬性會創建一個超鍵。
this specific set of attributes forms a superkey.
這組特定的屬性構成了一個超鍵。
database designers analyze potential superkeys to ensure data integrity.
數據庫設計師分析潛在的超鍵以確保數據完整性。
a superkey does not necessarily have to be minimal.
超鍵不一定必須是最小的。
a candidate key is a minimal superkey.
候選鍵是極小的超鍵。
any superkey can uniquely identify a row in the table.
任何超鍵都可以唯一識別表中的一行。
the primary key is selected from the available superkeys.
主鍵從可用的超鍵中選出。
a superkey functions as a unique identifier for tuples.
超鍵作為元組的唯一識別符。
understanding the concept of a superkey is vital for normalization.
了解超鍵的概念對於規範化至關重要。
the composite key acts as a superkey for this entity.
這個複合鍵作為此實體的超鍵。
we must identify a valid superkey before defining the primary key.
在定義主鍵之前，我們必須識別一個有效的超鍵。
adding an extra attribute to a candidate key creates a superkey.
向候選鍵添加額外屬性會創建一個超鍵。
this specific set of attributes forms a superkey.
這組特定的屬性構成了一個超鍵。
database designers analyze potential superkeys to ensure data integrity.
數據庫設計師分析潛在的超鍵以確保數據完整性。
a superkey does not necessarily have to be minimal.
超鍵不一定必須是最小的。
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