Mina Cho
Bootcamp Director
About the studio
QueryHarbor Academy began as a late-night argument about how often “strong SQL” still melted under real cutover pressure. We built a school that rehearses operations the way platform teams actually run them: checklists, owners, and receipts.
Principles
- Calm language beats hero slides when incidents arrive.
- Labs fail forward with explicit rollback triggers.
- Seat caps exist for scheduling honesty, not pressure.
Team
Jon Park
Lead SQL Instructor
Sora Kim
Database Administration Instructor
Leo Han
Lab Systems Engineer
Rae Jung
Curriculum Designer
Noa Shin
Career Coach
Eli Bae
Admissions Advisor
Voices from cohorts
The Operational DBA Core Lab cutover rehearsal finally made our promotion checklist feel lived-in.
Window-function week in SQL Foundations Intensive changed how I explain ranking to PMs without hand-waving.
Backup drills were loud, messy, useful.
Activity Log Hygiene Workshop reframed retention conversations with legal without turning combative.
Career prep sessions forced me to cite modules, not adjectives.
Milestones
- 2018 — First Seoul evening cohort with live replicas in containers.
- 2021 — Corporate upskill sprint template adopted by three enterprise clients.
- 2024 — Career prep lane expanded with portfolio video reviews.