'Relational table' diaporamas de présentation

Conditional Dependencies

Conditional Dependencies. Wenfei Fan University of Edinburgh and Bell Laboratories. Outline of Part III. Conditional functional dependencies (CFDs) Motivation for extending FDs with conditions: data cleaning Syntax and semantics

1.08k views • 83 slides

Chapter 5

Chapter 5. Normalization of Database Tables Database Systems: Design, Implementation, and Management, Sixth Edition, Rob and Coronel. In this chapter, you will learn:. What normalization is and what role it plays in the database design process

1.3k views • 56 slides

MIS 111: Computers and the inter-networked society

599 views • 47 slides

UIUC People Finder

UIUC People Finder. Info. University of Illinois at Urbana Champaign Advanced Database Management Systems CS511 Instructor ChengXiang Zhai Sena Lee (senalee2@uiuc.edu) Heewon Jung (hjung20@uiuc.edu) Seung Pyo Lee (slee232@uiuc.edu) Ricardo Redder (rredder2@uiuc.edu)

687 views • 35 slides

Normal Forms

Normal Forms. By Christopher Archibald October 16 th 2007. Overview. Database Normalization 1 st Normal Form 2 nd Normal Form 3 rd Normal Form Boyce- Codd Normal Form (BCNF) Lossless-Join. Normalization. Normalization is a technique for designing relational table to:

416 views • 23 slides

Chapter 2

Chapter 2. Data Models Database Systems: Design, Implementation, and Management, Seventh Edition, Rob and Coronel. The Importance of Data Models. Data models Relatively simple representations, usually graphical, of complex real-world data structures

353 views • 20 slides

Collision data workflow

Michele de Gruttola 2008 Report: Online to Offline tool for non event data data transferring using database. Collision data workflow. Raw data (Event data) . CMSSW. Condition data (Non event data).

221 views • 9 slides