Job-Ready SQL in an Afternoon - Data Types and Schemas

The video tutorial covers the basics of data types and schemas in relational databases. It explains the importance of defining data types for columns to optimize storage and performance. Various data types, including numerical, text, and date/time, are discussed, along with their specific uses and storage requirements. The tutorial also introduces additional and custom data types, such as JSON and XML, and their relevance in modern databases. Finally, the concept of schemas is explained, highlighting their role in organizing and structuring database tables.

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