Technical SQL Problem Solving | Dataford Interview Questions

Explain how you would approach a technical SQL problem when the requirements are ambiguous or incomplete.

Treat this as an interview discussion supported by a small illustrative query. Use the supplied records and record_events tables, and state any assumptions before querying.

Output

One row per active record
Columns: record_id, record_label, latest_event_type, and latest_event_time
Include active records without events, and order by record_id ascending

Schema

records

Column	Type	Description
record_idPK	INT	Unique record identifier
record_label	VARCHAR(100)	Human-readable record label
is_active	BOOLEAN	Whether the record is currently active

record_events

Column	Type	Description
event_idPK	INT	Unique event identifier
record_id	INT	Referenced record identifier
event_type	VARCHAR(50)	Type assigned to the event
event_time	TIMESTAMP	Time associated with the event

Your question is Technical SQL Problem Solving. Start with the requirements and the two tables in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem