圆桶 发表于 2025-3-23 12:57:33

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围巾 发表于 2025-3-23 14:44:52

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Conflagration 发表于 2025-3-23 21:15:02

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IRK 发表于 2025-3-23 23:29:13

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vertebrate 发表于 2025-3-24 03:16:45

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Gourmet 发表于 2025-3-24 09:26:06

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路标 发表于 2025-3-24 12:01:52

HVDC in the Future Power Systems,ce and time overhead on instance level, but it turns out that data dictionary overhead also keeps within reasonable limits..Please note that the valence concept is not a complete data model by itself, but a relationship model which can be embedded in a wide range of data models.

歪曲道理 发表于 2025-3-24 15:51:57

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取之不竭 发表于 2025-3-24 20:31:30

Alexandra Wake,Drew Ambrose,Damian Grenfells, realizing incremental changes to the database schema and their propagation to data instances. We show, how each schema update of a given taxonomy is realized by direct updating of schema objects, and how this approach can be used to build a complete tool for database evolution.

DEMUR 发表于 2025-3-25 01:18:21

Conference proceedings 19929, 1992. It containsthe full versions of all the 22 accepted papers selectedfrom in total 64 submissions; in addition, the twoinvitedtalks by Scheer and by Tsichritzis and others arerepresented asfull papers and the two other invitedspeakers contribute extendedabstracts.All the contributions describ
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查看完整版本: Titlebook: Entity-Relationship Approach - ER ‘92; 11th International C G. Pernul,AM. Tjoa Conference proceedings 1992 Springer-Verlag Berlin Heidelber