surrogate 发表于 2025-3-25 03:49:24
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Corrosion and Surface FinishingA database is a collection of data organized to model relevant aspects of reality and to support processes requiring this information.Acetaldehyde 发表于 2025-3-25 21:02:21
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Logic and Relational Databases,A database is a collection of data organized to model relevant aspects of reality and to support processes requiring this information.Feckless 发表于 2025-3-26 15:34:17
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Aggregates,In this chapter, we extend Datalog to include aggregation constructs, such as ., and ., and show how they help express optimization problems.