Revenue Retention by Signup Cohort
Assign accounts to their signup month. For cohort ages 0 and 1, sum recognized monthly invoice revenue. Month-0 revenue is the fixed baseline; month-1 revenue may expand, contract or fall to zero. Return cohort_month, cohort_age, base_revenue, current_revenue and net_revenue_retention. Include zero-revenue age rows. Return columns: cohort_month, cohort_age, base_revenue, current_revenue, net_revenue_retention.
Preparing the interactive SQL workspace...