Category: Modeling

ERD - Basic Constructs

06/19/05 | by Clarise Z. Doval Santos [mail] | Categories: Modeling
Looking at the stats of Yackity Blog Blog, I noticed that First 3 Rules of Data Normalization for Newbies gets a lot of hits. So, I thought today I would write about a very basic concept - the Basic Constructs of Entity Relationship Diagrams (ERD). Th… more »
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Technique to Map Business Process to Data Model

06/16/05 | by Clarise Z. Doval Santos [mail] | Categories: Techniques, Modeling
Getting input from the users increases the quality of a data model. Joint Application Development (JAD) sessions facilitate and accelerate the modeling process. During the JAD sessions, subject matter experts validate the model with respect to supported… more »
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First 3 Rules of Data Normalization for Newbies - Part 3

12/21/04 | by Clarise Z. Doval Santos [mail] | Categories: Modeling
This is the last of the series on the 3 Rules of Normalization for Newbies. If you have forgotten the first 2 rules, review the 2 previous blogs because inherent to the 3NF Rule is compliance with the first two. The 3NF Rule states: "No non-UID can… more »
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First 3 Rules of Data Normalization for Newbies - Part 2

12/20/04 | by Clarise Z. Doval Santos [mail] | Categories: Modeling
In yesterday's blog, I discussed 1NF. Today, as promised, is the blog about 2NF. The 2NF Rule states: "An attribute must depend upon its entity's entire UID". This basically means that every one of the attributes is functionally dependent on the whole… more »
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First 3 Rules of Data Normalization for Newbies - Part 1

12/19/04 | by Clarise Z. Doval Santos [mail] | Categories: Modeling
The First Normal Form States: "All attributes are not repeated or must be single-valued" In identifying whether a table is in its 1NF, consider this 3-points checklist: 1. Does a Primary Key exist? 2. Have you ensured that each attribute is in its b… more »
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This blog contains thoughts that range from non-technical to technical. Its name is derived from "Yakity Blah Blah" a column I once had that discussed a cornucopia of ideas. Who am I? I'm Clarise Z. Doval Santos, providing Project Management and Technical Leadership as part of InterActive Systems & Consulting, Inc.

InterActive Systems & Consulting, Inc. (IASC) performs research in the areas of data analytics, collaboration and remote access.

InterASC Professional Services, a service mark of IASC, provides strategic consulting and project management for data warehousing, business intelligence and collaboration projects using proprietary and open source solutions. We formulate vendor-independent strategies and implement solutions for information management in an increasingly complex and distributed business environment, allowing secure data analysis and collaboration that provides enterprise information in the most valuable form to the right person, whenever and wherever needed.

TeleInterActive Networks, a service mark of IASC, hosts open source applications for small and medium enterprises including CMS, blogs, wikis, database applications, portals and mobile access. We provide the tools for SME to put their customer at the center of their business, and leverage information management in a way previously reserved for larger organizations.

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