Solution to SQL Aggregation exercise

Explain on mysql query

This is the solution to the last SQL exercise from the series covering the students/disciplines field. The Third one from the series featured a WITH AS and GROUP BY clause, today we are working more on SQL aggregations such as : MIN MAX AVG Same Context Solution Here is what you should obtain as a […]

DBA Exercise – Aggregation

This is the last SQL training exercise of the series featuring the students business field. As a reminder, check out the 4 exercises : Select query DBA exercise – including the context data 3 best students select statement Group By Statement exercise More about Aggregation (current page) Context As usual load the context data provided […]

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