100+ Primary key pno PowerPoint (PPT) Presentations, Primary key pno PPTs

Primary key pno - PowerPoint PPT Presentation

Second Normal Form (2NF)

Second Normal Form (2NF). A relation R is in 1NF, and every non-primary-key attribute is fully functionally dependent on the primary key Then R is in 2NF. No Partial FDs on PK. Lease (RNo, RName, PNo, PAddress, Start, Finish, Rent, ONo, OName) Primary Key: PNo, Start FDs:

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332 views • 18 slides

Unnormalized Form (UNF)

Unnormalized Form (UNF). student courses John CS363 CS334 CS323 Multi-Value attribute Common in reports. First Normal Form (1NF). No multi-value attributes Done when mapping E-R model to relational schema.

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339 views • 17 slides

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'Primary key pno' diaporamas de présentation

Primary key pno - PowerPoint PPT Presentation

Second Normal Form (2NF)

Unnormalized Form (UNF)