Deletion anomalies - PowerPoint PPT Presentation

Schedule

Schedule. Today Oct. 4 (TH) Functional Dependencies and Normalization. Read Sections 3.5-3.6. Project Part 1 due. Oct. 9 (T) Multivalued Dependencies, Relational Algebra Read Sections 3.7, 5.1-5.2. Assignment 2 due. Oct. 11 (TH) SQL Queries. Read Sections 6.1-6.3. Project Part 2 due.

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Update Anomalies

Update Anomalies. CS157B By : Anh Ngo. Data Redundancy. The duplication of information within a table Example: Duplicated information: Information: Branch [B1] located at [6 Lanark Square]. Update Anomalies.

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Normalization

Normalization. Are we Normal. Normalization. Normalization is the process of converting complex data structures into simple, stable data structures It also is the process of removing from a database certain “anomalies”. Anomalies.

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374 views • 18 slides

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