小虫
发表于 2025-3-23 12:43:52
http://reply.papertrans.cn/15/1411/141027/141027_11.png
Arb853
发表于 2025-3-23 15:30:08
http://reply.papertrans.cn/15/1411/141027/141027_12.png
Fibrinogen
发表于 2025-3-23 20:54:30
Mark Levene,George LoizouSheds light on the ideas underlying relational database systems and the problems that confront database designers and researchers Provides an overview of database modeling with the Entity-Relationship
欺骗世家
发表于 2025-3-24 00:00:22
http://reply.papertrans.cn/15/1411/141027/141027_14.png
现任者
发表于 2025-3-24 05:15:41
https://doi.org/10.1007/978-1-4419-5710-8g, in Subsection 3.2.3 of Chapter 3. The investigation of deductive databases, also known as logical databases, has been one of the most significant and prolific strands in database theory in the last decade. We now discuss the motivation for researching deductive databases.
显赫的人
发表于 2025-3-24 08:18:04
http://reply.papertrans.cn/15/1411/141027/141027_16.png
Blatant
发表于 2025-3-24 12:54:48
http://reply.papertrans.cn/15/1411/141027/141027_17.png
Countermand
发表于 2025-3-24 18:31:52
Flat Corrugated and Bull’s-Eye Antennased in a database is complete. There are several different types of incompleteness that need to be taken into account. In the first case some information in the database may be missing. Missing information generally falls into two categories; applicable information, for example, if the name of the co
BILIO
发表于 2025-3-24 20:58:34
Signals and Communication Technology2 of Chapter 3 as a yardstick for the expressiveness of a query language for relational databases. The relational algebra on its own is not intended to be used as a general purpose database programming language for developing applications and as such does not provide the application programmer with
座右铭
发表于 2025-3-25 02:59:35
http://reply.papertrans.cn/15/1411/141027/141027_20.png