Isthmus
发表于 2025-3-26 21:52:26
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险代理人
发表于 2025-3-27 04:02:24
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言行自由
发表于 2025-3-27 08:41:16
Using a query language to state consistency constraints for repositories, items in the repository. The queries are handled by a generic analyzer, which checks the defined constraints whenever appropriate. Furthermore, we present a general classification schema for consistency constraints and describe how different classes of constraints are handled by our approach.
Aggregate
发表于 2025-3-27 12:02:23
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Canyon
发表于 2025-3-27 16:05:12
0302-9743 tive databases, temporal databases, transactions and concurrency, relational databases, CSCW and workflow systems, parallel and distributed systems, expert systems, knowledge-based systems, and information retrieval.978-3-540-61656-6978-3-540-70651-9Series ISSN 0302-9743 Series E-ISSN 1611-3349
A简洁的
发表于 2025-3-27 18:33:23
View maintenance in object-oriented databases,e., views derived from base classes. To achieve incremental view update, we introduce a modification list into each base class. A series of algorithms are developed to serve the purpose. Finally it happened that, view maintenance within object-oriented databases subsumes that within the nested and hence conventional relational models.
Conscientious
发表于 2025-3-27 22:36:19
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滑稽
发表于 2025-3-28 02:21:43
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芭蕾舞女演员
发表于 2025-3-28 09:23:12
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Ledger
发表于 2025-3-28 13:05:32
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