SQL pattern

Conditional Logic & CASE

3 problemsin this pattern, climbing easy → medium → hard. Pick wherever you're calibrated. Read the P05 tutorial →

Easy

0 / 1 solved

Add a price-band attribute to products
SQL · ~8 min
NEW

Medium

0 / 1 solved

Size every order — and flag the ones with no amount
SQL · ~6 min
NEW

Hard

0 / 1 solved

Group order statuses, unknown included
SQL · ~9 min
NEW