Data Modeler's Workbench: Tools and Techniques for Analysis by Steve Hoberman

By Steve Hoberman

This guide introduces 20 instruments for making improvements to the rate, accuracy, flexibility, and consistency of databases, information warehouses, and operational purposes. each one instrument is defined utilizing targeted examples, its functions are defined, and its optimum operational and reporting atmosphere pointed out. specific awareness is given to the system's starting place, the method of opting for its necessities, and the modeling of its specifications. Hoberman is an information warehouse developer.

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Twelve minutes left! You: You see, both that map on your wall and our enterprise data model provide three very important benefits: agreement, planning, and issue resolution. ) Agreement means that people with very different backgrounds, cultures, and beliefs understand and concur that this is the way the world is. On the enterprise data model, your data warehouse department and the accounting department can finally agree on which financial data are in the data warehouse. That’s probably one of the thorns in your side right now.

I can think of five characteristics these two have in common. They both have unambiguous representation, standard industry syntax, connections, optimized design, and different levels of granularity. (You might want to list these on the Team-LRN U S I N G AN EC D OTES, ANALO G I ES, AN D P R ES E NTATI O N S 19 whiteboard. ) Mary: I understand a bit better what you’re trying to do for my project. How much time do you need to complete the subject area and logical data models? You: Well, assuming the business requirements document I read this weekend is accurate, I estimated it would take.

Many times when we try to simplify, we find ourselves sounding like a first-grade teacher talking to a group of children. Keep your analogies simple but professional. 1. This Analogy Work Sheet lists the concepts you are comparing and a few phrases of what the concepts have in common. This is a valuable tool to clearly capture and document your analogies. Also, add to this table over time as you develop new analogies. Any concept in data management that has been misunderstood is a prime candidate for an analogy.

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