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Standard SQL Functions

Introduction
Simple CASE WHEN
Searched CASE WHEN
CASE WHEN with aggregates
CASE WHEN with GROUP BY
Summary
28. Exercise 4

Instruction

Okay, and the last one?

Exercise

For each degree course, show its name, the place_limit, the number of people who applied for that degree course (as candidates_no) and yet another column popularity: if more people applied than place_limit, show 'overcrowded'. Otherwise, show 'within limit'.

Stuck? Here's a hint!

Consider people who didn't get accepted for the first time and applied again – in other words: use DISTINCT when counting candidates' IDs.