Tag Archives: modelling

Core Data Considerations.

1. TABLE CAPACITY REQUIREMENTS. If, as I have suggested, we set the size of our basic land units (BLUs) at about 1 sq. km., we will require about 8 million records. The actual size of Australia is about 7,700,000 sq. … Continue reading

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Some Database Considerations.

1. INTRODUCTION. I designed my first database in the late 1960s. In those days, they were known as hierarchical databases consisting of a number of separate files. There was no metadata (an IT buzzword meaning “data about data”) providing any … Continue reading

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Clarification 1.

I recently received a private email from a lady who had inspected this blog. The points she raised, while apparently critical, arise, I believe from a misunderstanding about what this blog is about. I am, in fact, broadly in sympathy … Continue reading

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