Track Agency Utilization Query | Dataford Interview Questions

Omnicom Health operations leaders need a weekly view of team utilization across agency staff. Write a PostgreSQL query using the capacity and time-entry data below.

Requirements

Return one row per team and capacity week from January 6 through January 19, 2025.
Calculate total logged hours and total available hours for each team and week. Include weeks with capacity but no time entries.
Calculate utilization_rate as logged hours divided by available hours, expressed as a percentage rounded to two decimals. Return 0.00 when the available-hours total is zero.
Order results by team name and week start.

Schema

teams

Column	Type	Description
team_idPK	INT	Primary key for an agency team
team_name	VARCHAR(100)	Agency team name

employees

Column	Type	Description
employee_idPK	INT	Primary key for an employee
employee_name	VARCHAR(100)	Employee's name
team_id	INT	Team assigned to the employee
role	VARCHAR(80)	Employee's agency role

weekly_capacity

Column	Type	Description
employee_idPK	INT	Employee with planned weekly capacity
week_startPK	DATE	Monday starting the capacity week
available_hours	NUMERIC(6,2)	Hours available to be scheduled

time_entries

Column	Type	Description
entry_idPK	INT	Primary key for a time entry
employee_id	INT	Employee who logged the hours
entry_date	DATE	Date the work was logged
hours	NUMERIC(6,2)	Hours logged, possibly missing

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