Lecture

Query Fusion, Nested Queries

Description

This lecture introduces the concept of query fusion, where SQL queries can contain other SQL queries, and explores the syntax and usage of UNION, INTERSECT, and EXCEPT operators. It also covers nested queries in the WHERE and FROM clauses, along with examples in a geographical information context.

In MOOCs (2)

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_z6cpdred

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Ontological neighbourhood

Computer engineering

Databases: Relational databases

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