1
Sum up
Compared with structured data (that is, row data, stored in the database, the data that can be logically expressed with a two-dimensional table structure), data that is inconvenient to use the two-dimensional logical table of the database is called unstructured data. Including office documents in all formats, text, pictures, XML, HTML, various reports, images and audio/video information, etc.
2
Structured data
Structured data is a database of data (that is, row data, stored in the database, and the realized data can be logically expressed with a two-dimensional table structure)
as shown in the following figure:
We can clearly see that it can be stored formally in the database, and each column has a specific meaning.
3
Unstructured data
Unstructured data, including office documents in all formats, text, pictures, XML, HTML, various reports, images and audio/video information, etc.
are as follows:
Compared with structured data, unstructured data is more difficult for computers to understand.
The above is the definition of unstructured data and structured data.
Reference: The
picture comes from the slides of Mr. Wu Enda's deeplearning course
Recommended reading:
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Dry Goods in the Dry Goods Catalog for the Last Half Year|Wu Enda DeepLearning.ai Course Refinement Notes (1-2) Neural Network and Deep Learning--- Neural Network Basic
Dry Goods|Wu Enda DeepLearning.ai Course Refinement Notes (1-3) Neural Network And deep learning --- shallow neural network
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