From the course: Complete Guide to T-SQL for Data Analysts by Microsoft Press
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Describe features of structured data - SQL Tutorial
From the course: Complete Guide to T-SQL for Data Analysts by Microsoft Press
Describe features of structured data
- [Chris] In this sub-lesson, we are going to describe features of structured data. So some features of structured data are a schema, which is a definition of how data is organized in a system. Structured data is data that adheres to a fixed schema, most commonly represented as one or more tables with tables having one or more columns, and tables contain rows of data. Examples of structured data are relational databases and files such as CSVs and tab-delimited files. Some features of structured data are the following. We generally end up with an entity, or a table here, in this case called Person. So this entity or table is collecting information about people in our database. We can see that there are four columns of information in this table. The Person ID itself, the Name, Email, and Address, and this is just a subset of information that you would possibly want to collect on a person in your database. The columns…
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Learning objectives1m 47s
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Introduction to SQL and T-SQL4m 37s
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Describe features of structured data4m 41s
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Describe features of semistructured data3m 27s
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Describe features of unstructured data1m 35s
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Describe common data storage mechanisms6m 16s
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Relational database concepts17m 11s
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Describe features of transactional workloads8m 8s
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Describe features of analytical workloads9m 21s
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GitHub repository1m 14s
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Tool installation4m 28s
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Database setup4m 13s
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Schema walkthrough5m
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