Spatial Databases: With Application to GIS
Výsledky 1-5 z 92
... regions and their 9-intersection matrices 110 Modeling spatial data as a set of points in R* 115 Representation of polylines in constraint databases 118 ...
... data set 364 Three GIS generations 370 The SDE three-tier architecture 372 This Page Intentionally Left Blank Preface “In that Empire, the Figures xxi.
Once the schema has been defined, data can be inserted, updated, deleted, ... In order to design a relational schema—that is, the set of tables necessary to ...
The set of data manipulations expressible by the language is precisely defined by two equivalent, formal languages; namely, relational calculus and ...
In particular, the relational data model turns out to be too poor to represent and ... The object is described by a set of descriptive attributes.
Co říkají ostatní - Napsat recenzi
CHAPTER 7 QUERY PROCESSING
CHAPTER 8 COMMERCIAL SYSTEMS
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