superkey

[计] 超关键字, 超码

发音

US

词形变化

superkeys 复数 superkeys

释义与例句

n.
  1. 1.

    Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set.

    计算机 工程 数学

词源

From super- + key.

来源：wiktionary