Warehouse Operations Analytics · Mission 11 of 30Medium

Pick accuracy

AVG of binary flag for rate

The Brief

Rita AlvarezDC Operations Managerwarehouse-ops

Overall pick accuracy = 1 - error rate. Single number, alias `accuracy_pct`.

You'll practice

SQL practice

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

Pick accuracy is 1 minus the error rate. Average a binary flag and turn it into a percentage.

Hint 2

Single column.

Hint 3

Single row.