BrainTrust Investment Lab › SS2 — Change Data Capture System › wikipedia
wikipedia — the SS2 walk
Thirty rows, and a ruling that matters more: this source is hint tier only — it may suggest, it may never decide. Knowing what a source is not allowed to say is data quality too.
One source per sheet; every step CERTIFIED or OWED by BrainTrust Staff, matched against the book’s page.
steps certified
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step strategy · the CDC mode is DECLARED by LOOKUP, enum-gated against the six signed modes awaiting · p.451-452
step audit_columns · audit columns tested, not trusted awaiting · p.452
step deletes · deletion visibility MEASURED by the mode's own instrument awaiting · p.452
step reason_codes · corrections distinguished from true updates -- candidates ENUMERATED, every one… awaiting · p.451