• If the join key is a composite key, each key column must be prefixed with the PRIOR operator.

    如果联接一个复合键,那么必须使用PRIOR运算符每个键所在的加上前缀

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  • The composite operation of fuzzy relation and operator constitute the fuzzy mapping.

    模糊关系算子合成构成了模糊映射,即将模糊集映射为模糊集。

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  • Finally it is proved that P_-PBNDC is consistent with SBSPNI, and P_-PBNDC has composite property on the restriction and prefix operator but not on the parallel operator.

    最后证明了P - PBNDCSBSPNI性质的一致性,限制算子前缀算子下的P - PBNDC具有复合性质,而在并行算子下不具有复合性质。

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  • A second kind of operator is one that ACTS on component data elements instead of on the entire composite value.

    第二操作符是针对组成数据元素非整个复合值的一种操作。

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  • A second kind of operator is one that ACTS on component data elements instead of on the entire composite value.

    第二操作符是针对组成数据元素非整个复合值的一种操作。

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