How To Use The Subquery ? — My reflection of <Effective SQL> Part 6

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Subquery means the select query statements in the brackets. We may need subqueries when we require tables, lists, or scalar values.

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#sql

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#reflection

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Jen-Hsuan Hsieh (Sean Hsieh) | Software Engineer | Frontend & Visualization | AWS (SAA, DVA)

Software engineer focused on building scalable, data-driven systems with a strong emphasis on frontend architecture and visualization. Experienced with modern web technologies and AWS, with an interest in system design and performance.