Minimal Modeling

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The scope of the data modeling book
Here is the outline I have so far: basic logical model; either/or/or data; polymorphic data; template repetitions; basic physical model; secondary data.
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Alexey Makhotkin
Links and composite keys
Composite primary key is one concept from the relational model that could confuse during modeling. We discuss why primary keys should be handled…
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Alexey Makhotkin
Database Modeling book — beta readers wanted
I'm looking for some early beta readers of my book on database modeling for beginners. The goal of this book is to take you from a vague idea of what…
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Alexey Makhotkin
More on false links
We describe a confusing pattern in that is often encountered: a) three anchors linked to the fourth anchor as ⪫, together with the false link that…
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Alexey Makhotkin
Why Minimal Modeling has no 3-way links
We discuss the minimal model of “User buys an Item as a gift to another User” scenario; point out false links; try to make another step towards…
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Alexey Makhotkin
How to discover all the data sources, low-fuss way
Sometimes you need to understand the databases and data sources that your company uses. You can use a small spreadsheet for that, with just half a dozen…
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Alexey Makhotkin
(3/3) "Relational Database Management: A Status Report" [Chris Date, 1983]
Rewatching Chris Date's talk from 1983 today. Pt. III. Possible future developments.
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Alexey Makhotkin
Minimal Modeling
Making sense of your database.
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