Query Optimization · Self-paced
Fundamentals Refresh: Plans & I/O
A gentler on-ramp for engineers returning to hands-on SQL after time in management or adjacent stacks.
- Duration
- 6 weeks · low intensity
- Skill focus
- Foundations
- Platform lens
- PostgreSQL
- Tuition (informational)
- ₩320,000
Overview
Combines short videos, copy-paste labs, and forum checkpoints. Ideal if you have not read a plan in a year but need credibility before joining the advanced cohorts.
What is included
- Twelve bite-sized videos
- Forum checkpoints with mentor emoji reactions only—no grades
- Cheatsheet for physical vs logical reads
Outcomes
- Read a simple plan end-to-end
- Explain the difference between scans and seeks in your own words
Primary coach
Elena Varga
Runs cohort kickoffs and keeps enterprise workshops aligned with internal release cadences.
FAQ
Certificates?
A completion certificate is issued after forum checkpoints are satisfied.
Too basic?
If you already ship weekly plan reviews, start with Execution Plan Reading Intensive instead.
Community access?
Includes read access to public channels; posting requires the standard code of conduct acknowledgment.
Experience notes
-
Fundamentals Refresh got me comfortable asking “dumb” plan questions again without derailing standup.
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Short punchy sentence: worth every won for the forum pacing alone.
Tuition is informational on this static preview. Enrollment teams confirm availability, tax treatment, and any employer procurement paperwork steps. See Returns & Refunds for eligibility framing.