Using the university schema, write an SQL query to find the IDs of those students who have retaken at least three distinct courses at least once select distinct, ID from ( select course id, ID from takes group by ID, course id having count( ) 1) group by ID having count(course id) 2...

SELECT DISTINCT LastName firstname coursesco ...

Using the university schema, write an SQL query to find the IDs of those students who have

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Using the university schema, write an SQL query to find the IDs of those students who have retaken at least three distinct courses at least once.

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Database System Concepts

ISBN: 9780078022159

7th Edition

Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan

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Question Posted: Jun 13, 2022 05:05 AM

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Using the university schema, write an SQL query to find the IDs of those students who have

Question:

select distinct, ID from ( select course_id, ID from takes group by ID, course_id having count(*) > 1) group by ID having count(course_id) > 2

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SELECT DISTINCT LastName firstname coursesco...View the full answer

Database System Concepts

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