CARK
发表于 2025-4-1 05:26:05
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LEER
发表于 2025-4-1 07:03:58
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jungle
发表于 2025-4-1 10:53:21
Taisir E. H. El-Gorashi,J. M. H. Elmirghaniat allows users to formulate queries naturally in terms of elementary relationships, operators such as “and”, “or”, “not” and “maybe”, contextual for clauses and object-correlation, thus avoiding the need to deal explicitly with implementation details such as relational tables, null values, outer jo
有组织
发表于 2025-4-1 16:48:25
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最有利
发表于 2025-4-1 21:57:57
Erratum to: Towards Digital Optical Networks being violated by a database transaction these systems trigger repairing actions. However, it has been shown that for any set of constraints there exist unrepairable transactions, which depend on the closure of the constraint set. Even if unrepairable transactions are excluded, this does not restra