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Chapter 1.2: The Data Infrastructure
the repetitive data. There are sales transactions, stocking of SKU transactions, inventory
replenishment transactions, payment transactions, and so forth. In the structured world,
there are many of these transactions that find their way into the repetitive structured
world.
The other kind of repetitive data is the repetitive data found in the unstructured big data
world. In the unstructured big data world, we might have metering data, analog data,
manufacturing data, clickstream data, and so forth.
There is the question then—are these types of repetitive data the same? They certainly
are repetitive. But these different types of repetitive data are not the same. What is the
difference then between these two types of repetitive data? Fig. 1.2.1 shows
(symbolically) these two types of repetitive data.
Fig. 1.2.1 Two types of repetitive data.
Repetitive Structured Data
In order to understand the differences between these two types of repetitive data, it is
necessary to understand each type of data individually. Let's start with repetitive
structured data. Fig. 1.2.2 shows the repetitive structured data are broken into records
and blocks.
Fig. 1.2.2 Repetitive data broken into blocks.
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