情感脆弱
发表于 2025-3-28 16:55:48
https://doi.org/10.1007/978-1-4612-5967-1 XML documents. This way, ERX-QL naturally deals with recursive and nested XML structures. Furthermore, the rich extended ER database provided by the ERX system makes ERX-QL rich and powerful, thus suitable, with minor changes, to be adopted on classical RDBMSs.
figure
发表于 2025-3-28 19:05:09
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interlude
发表于 2025-3-28 23:28:09
A Theory of Spatio-temporal Database Queriesne nature of time..We investigate different genericity classes relative to the constraint database model for spatio-temporal databases and we identify sound and complete languages for the first-order, respectively the computable, queries in these genericity classes.
Keratin
发表于 2025-3-29 03:24:11
ERX-QL: Querying an Entity-Relationship DB to Obtain XML Documents XML documents. This way, ERX-QL naturally deals with recursive and nested XML structures. Furthermore, the rich extended ER database provided by the ERX system makes ERX-QL rich and powerful, thus suitable, with minor changes, to be adopted on classical RDBMSs.
Canopy
发表于 2025-3-29 07:51:57
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SPALL
发表于 2025-3-29 13:41:48
Four Lectures on Secant Varietiess is also used for a declarative specification how the database should be .: XPath filters are interpreted as specifications of elements and properties that should be added to the database. In this paper, we focus on the theoretical aspects of XPathLog. XPathLog has been implemented in the LoPiX system [.].
古董
发表于 2025-3-29 17:39:37
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虚弱的神经
发表于 2025-3-29 19:56:28
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迎合
发表于 2025-3-30 01:21:18
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ETCH
发表于 2025-3-30 06:27:25
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