Warehouse Operations Analytics · Mission 7 of 30Easy

UPLH by zone

GROUP BY with computed rate

The Brief

Rita AlvarezDC Operations Managerwarehouse-ops

Compute units per labor hour by zone — sum qty_picked, sum minutes elapsed, divide. Show zone_id, uplh.

You'll practice

GROUP BY

Tables & columns available

fact_pick_tasksfact12 columns
ColumnTypeKey
task_idINTPK
order_idINT
sku_idINTFK → dim_skus
zone_idINTFK → dim_zones
worker_idINTFK → dim_workers
wave_idINT
shiftTEXT
pick_start_tsTEXT
pick_end_tsTEXT
qty_requestedINT
qty_pickedINT
pick_error_flagINT

Hints (3)

Each hint you reveal reduces the XP you can earn. Try the query first.

Hint 1

UPLH = units picked per labor hour. You'll need two aggregates and a unit conversion across zones.

Hint 2

SUM duration in minutes per zone, convert to hours.

Hint 3

UPLH = units / hours.