GRATE
发表于 2025-3-26 21:26:09
Transnationale Altersmigration in EuropaAt this point we will introduce the structural part of the higher-order entity-relationship model (HERM). In this section, it will be shown that a . exists for this model. Furthermore, there are several . to the HERM approach:
Blanch
发表于 2025-3-27 03:07:32
Definitionen und statistische Konzepte,Database behavior manifests itself in the evolution of the database contents with time. Evolution can be described by database sequences. In this case, behavior corresponds more to transaction time than to deterministic interstate time. The last approach is defined by basic operations. Transactions enable encapsulation of operations.
Temporal-Lobe
发表于 2025-3-27 08:51:16
https://doi.org/10.1007/978-3-322-81157-8We have presented an extended ER model together with relevant theoretical investigations. Although the extensions are simple they are very useful for practical database modeling. We have developed some theoretical fundamentals and illustrated that this model has a sound, well-founded theory similar to that of the relational model.
Delectable
发表于 2025-3-27 13:24:57
Extending the Entity-Relationship Model,At this point we will introduce the structural part of the higher-order entity-relationship model (HERM). In this section, it will be shown that a . exists for this model. Furthermore, there are several . to the HERM approach:
hemorrhage
发表于 2025-3-27 15:07:26
Behavior Modeling,Database behavior manifests itself in the evolution of the database contents with time. Evolution can be described by database sequences. In this case, behavior corresponds more to transaction time than to deterministic interstate time. The last approach is defined by basic operations. Transactions enable encapsulation of operations.
NEX
发表于 2025-3-27 19:41:59
Open Problems,We have presented an extended ER model together with relevant theoretical investigations. Although the extensions are simple they are very useful for practical database modeling. We have developed some theoretical fundamentals and illustrated that this model has a sound, well-founded theory similar to that of the relational model.
aristocracy
发表于 2025-3-27 23:12:11
978-3-642-08480-5Springer-Verlag Berlin Heidelberg 2000
corpus-callosum
发表于 2025-3-28 03:44:53
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photopsia
发表于 2025-3-28 07:01:54
http://reply.papertrans.cn/32/3117/311664/311664_39.png
合群
发表于 2025-3-28 11:15:17
The Database Design Process,stem (or for a database paradigm) so that it contains all the information required by the user and for the efficient behavior of the whole information system for all users and with application processes and user interaction.