100+ Drinkers name PowerPoint (PPT) Presentations, Drinkers name PPTs

Drinkers name - PowerPoint PPT Presentation

SQL (cont.)

SQL (cont.). Lecture #11. Single-Relation Queries. Our Running Example. Most of our SQL queries will be based on the following database schema. Underline indicates key attributes. Beers( name , manf) Bars( name , addr, license) Drinkers( name , addr, phone)

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1.18k views • 80 slides

Design Theory for Relational Databases

Design Theory for Relational Databases. Functional Dependencies Decompositions Normal Forms. Functional Dependencies. X -> Y is an assertion about a relation R that whenever two tuples of R agree on all the attributes of X , then they must also agree on all attributes in set Y .

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957 views • 63 slides

CS411 Database Systems

CS411 Database Systems. Kazuhiro Minami. 03: The Relational Model. Announcements. Project stage 0 is due today Grade distribution of the course project Stage 1 (Decide your application): 5% Stage 2 (ER modeling) : 5% Stage 3 (Relational schema design): 10%

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445 views • 31 slides

Multivalued Dependencies

Multivalued Dependencies. Fourth Normal Form. Definition of MVD.

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494 views • 17 slides

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Drinkers name - PowerPoint PPT Presentation

SQL (cont.)

Design Theory for Relational Databases

CS411 Database Systems

Multivalued Dependencies