Voices from cohorts
We publish mixed formats on purpose: anonymous industry tags sit next to named engineers when permission allows.
“The Index Strategy Studio workbook is pinned above my desk—the partial-index flowchart alone saved a messy rollout.”
★★★★★ Verified learner — Night School pacing respected our on-call rotation.
“Bottleneck Signals Lab forced us to document waits before jumping to index changes—small habit, big calm.”
Mixed notes: loved the async incident writeups; wanted one more Postgres-specific latch example (coach shipped it three days later in a pinned addendum).
Parallelism Guardrails finally gave us a shared MAXDOP experiment log the infra team did not roll their eyes at.
Longer notes
The Query Rewrite Gym forced our team to agree on a style guide before touching production again. We still argue, but now we cite the same rubric.
I appreciated how candid the coaches were about multi-column statistics—no fairy tales about auto-magic fixes.