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Latest Articles from Mike Nicewarner
By Mike Nicewarner  Sybase has recently included impact analysis features into the PowerDesigner (PD) modeling tool. If you aren't familiar with PD, it's a powerful tool for modeling business processes, data designs, XML messages, and application logic (ala UML). Within each model, you can view the depend... Jan. 27, 2006 09:00 AM EST Reads: 10,098 Replies: 1 | By Mike Nicewarner The purpose of this article is to discuss and describe the terms 'Surrogate Key' and 'Natural Key,' and explain when they are appropriate to use in a data model. Furthermore, the concepts of 'Intelligence' and 'Generated' will be applied to both types of keys. Feb. 1, 2005 12:00 AM EST Reads: 1,138 | By Mike Nicewarner In this article, I discuss and provide examples of the many rules of data normalization. Currently I count at least seven, which are: Nov. 1, 2004 12:00 AM EST Reads: 2,454 | By Mike Nicewarner Many modelers are confused by overlaps in the data modeling terminology from the various vendors, and are not sure how to compare modeling tools when trying to buy one. This article will attempt to shed some light on this topic, and hopefully answer some of the more frustrating questio... Feb. 1, 2004 12:00 AM EST Reads: 6,061 | By Mike Nicewarner PowerDesigner is a very good data modeling tool, but with UML gaining acceptance in many IT shops, Sybase has gradually added object modeling features. In November, they started another beta program named Beluga primarily to add Use Case and Sequence diagrams, but also to fix some prob... Feb. 1, 2001 12:00 AM EST Reads: 9,952 | By Mike Nicewarner Although still in beta, version 7.5 of the PowerDesigner Suite (PD7.5) from Sybase is a stable product. As the fifth iteration of the Dolphin code rewrite, it's mature and highly functional. To examine what PD7.5 looks like, let's walk through it. I like conceptual modeling, so this is... Sep. 1, 2000 12:00 AM EDT Reads: 7,955 | By Mike Nicewarner PowerDesigner is a very good data modeling tool, but with UML gaining acceptance in many IT shops, Sybase has gradually added object modeling features. In November, they started another beta program named Beluga primarily to add Use Case and Sequence diagrams, but also to fix some prob... Feb. 1, 2000 12:00 AM EST Reads: 114 | By Mike Nicewarner Although still in beta, version 7.5 of the PowerDesigner Suite (PD7.5) from Sybase is a stable product. As the fifth iteration of the Dolphin code rewrite, it's mature and highly functional. To examine what PD7.5 looks like, let's walk through it. I like conceptual modeling, so this is... Sep. 1, 1999 12:00 AM EDT |
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Mike Nicewarner, a database design manager working in Nebraska and president of the DataModel.Org organization, has been designing databases and modeling enterprise data with PowerDesigner since it was SDP and S-Designor.
