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That slippery slope

(Kenneth Fisher) We need to have processes and rules. They are important to any business. That said, exceptions are also going to be a universal constant. Without exceptions to the rules you can’t deal with the unexpected/unforeseen. So what’s the problem? Ever heard one of these?

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Prior to DBMS, Database Approach, Data Model — Part 4

Types of Data Models Record-Based Logical Data Models Logical data models based on records deliver concepts that users can understand, however data are not far from the way is kept on the computer. Three known data models of this kind are relational data models, hierarchical data models, as well as network data models. The relational model signifies data in the...

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