Code RoomCredits each student is carrying
MediumPrep Room Coding #5111

Credits each student is carrying

SQLAlgorithms & data structuresMid~11 min

Total the credits each enrolled student is taking. Return `name` and `credits`, most first, then alphabetically.

What a strong answer looks like

Say what the query is meant to return before you write it, and name the shape of the answer: how many rows, grouped by what. Then watch the NULLs and the duplicates, because that is where most of these are lost.

Run onlyA query runs as one statement, so there is nothing to step through. Run it and read the rows.

0:00 of about 11 min

Expected, in this order

namecredits
Vic9
Uli8
Tam7
Wren4

Your result

Run your query to compare.

1 more set of rows are waiting. Free with an account.