Complex~36min

The Training Bounce

Two months after the support team's new classification training, "support" tickets are down 34% and leadership is calling it a win. The team leads who ran the training are up for promotion. Look at who changed what.

Tables you'll query

agentsticketsticket_categoriescategory_changes

What you'll learn

CTEs (WITH clause)Window FunctionsDate & Time FunctionsAggregations & GROUP BY
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