Practice

Timed Tracks Overview

Practice Sprint Timer

Start with a first-correct query, then use remaining minutes for validation and cleanup.

20:00

Timed Tracks are speed-focused autograded drills.

Goal:

  • solve realistic SQL prompts under strict time constraints
  • keep correctness high while making delivery faster
  • practice validation habits before time expires

Track Sequence #

Scoring and Exit Criteria #

Each drill includes hidden checks and a pass score.

Recommended pass bar:

  • 10-minute sprint: score at least 11/15 across both drills
  • 20-minute sprint: score at least 13/17 across both drills
  • 30-minute sprint: score at least 14/18 across both drills

Track exit criteria:

  • complete all three sprints
  • achieve at least 75% total score across all timed drills
Tip

Use a first-correct approach: write a clean baseline query, run checks early, then optimize.