Manuals / SQL / Guide 12
Reference · beginner · ~15 min · Guide 12 of 12
Timeline, tools & cheat sheet
Return when stuck. Week map, safety ritual, and interview quick hits.
Week map
- Weeks 1–2 — SELECT, WHERE, ORDER BY
- Weeks 3–4 — JOINs + Checkpoint A
- Weeks 5–6 — GROUP BY, subqueries, CTEs
- Weeks 7–8 — mutations, transactions
- Weeks 9–10 — indexes, EXPLAIN + Checkpoint B
Week mapDrag stickies · tap for tips
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Chapter learning outcomes
- 10-week map
- Safety ritual
- Interview one-liners
Clear these before you leave
