Slideshare Management 76827 | Slide Inf106 Lecture06

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File: Slideshare Management 76827 | Slide Inf106 Lecture06

what will we learn the origins of the relational model the terminology of the relational model how tables are used to represent data the connection between mathematical relations and relations ...

Filetype Power Point PPTX | Posted on 02 Sep 2022 | 3 years ago

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...What will we learn the origins of relational model terminology how tables are used to represent data connection between mathematical relations and in properties database identify candidate primary alternate foreign keys meaning entity integrity referential purpose advantages views systems introduction management system rdbms has become dominant processing software use today it is based on proposed by e f codd all logically structured within each relation a name made up named attributes columns tuple row contains one value per attribute great strength this simple logical structure table with rows hold information about objects be represented an column as two dimensional which correspond individual records domain set allowable values for or more cont d degree number cardinality tuples suppose that have sets where cartesian product these written x ordered pairs such first element member second...

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Posted on: 02 Sep 2022 | 3 years ago
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