Database Modeling and Design by Toby J. Teorey, Sam S. Lightstone, Tom Nadeau, H.V. Jagadish

By Toby J. Teorey, Sam S. Lightstone, Tom Nadeau, H.V. Jagadish

Database structures and database layout expertise have passed through major evolution lately. The relational information version and relational database platforms dominate company functions; in flip, they're prolonged via different applied sciences like facts warehousing, OLAP, and information mining. How do you version and layout your database program in attention of latest know-how or new company needs?
In the broadly revised fourth variation, you will get transparent causes, plenty of magnificent examples and an illustrative case, and the fairly useful recommendation you've come to count number on--with layout ideas which are appropriate to any SQL-based process. yet you are going to additionally get lots that will help you develop from a brand new database clothier to an skilled dressmaker constructing industrial-sized systems.
+ an in depth examine the Unified Modeling Language (UML-2) in addition to the entity-relationship (ER) technique for info requisites specification and conceptual modeling--with examples during the booklet in either approaches!
+ the main points and examples of ways to exploit info modeling recommendations in logical database layout, and the transformation of the conceptual version to the relational version and to SQL syntax;
+ the basics of database normalization during the 5th common form;
+ functional insurance of the foremost concerns in company intelligence--data warehousing, OLAP for selection help structures, and knowledge mining;
+ examples for the way to take advantage of the most well-liked CASE instruments to deal with advanced information modeling problems.
+ workouts that attempt figuring out of all fabric, plus suggestions for lots of workouts.

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Class diagrams capture structure, activity diagrams capture behavior. The two types of diagrams can present complementary aspects of the same system. 12 illustrates the usage of classes named Quote, Order, Invoice, and Payment. Another use for activity diagrams in the context of database design is to illustrate processes surrounding the database. For example, database life cycles can be illustrated using activity diagrams. 3 Rules of Thumb for UML Usage 1. Decide what you wish to communicate first, and then focus your description.

Joins are the opposite of forks; the join construct has multiple incoming flows and one outgoing flow. Control flows from a join only when control has reached the join from each of the incoming flows. Activity diagrams may be further organized using partitions, also known as swim lanes. Partitions split activities into subsets, organized by responsible party. Each subset is named and enclosed with lines. 12 illustrates the UML activity diagram constructs used for the publication of this book. This diagram is partitioned into two subsets of activities, organized by responsible party: the left subset contains Customer activities, and the right subset contains Manufacturer activities.

A given Rendition-Instrument combination is associated with any number of Musicians. A system can be understood more easily by shifting focus to each package in turn. 10. The associated classes from the Music and Distribution packages are also shown, detailing how the Media package is related to the other two packages. 8. 8. Albums and CDs are types of Music Media. Albums and CDs are both composed of Tracks. Tracks are associated with Renditions. 2 Activity Diagrams UML has a full suite of diagram types, each of which fulfills a need for describing a view of the design.

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