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Subscription Churn Model

Calculate monthly active users, churn cohorts, and retention curves from status events. This SQL project practices SQL fundamentals, practical problem decomposition, validation, and maintainable implementation.

Estimate
~8h
Steps
5
Completed by
0
Proposed by
codeseed.app

PostgreSQL · psql · PL/pgSQL

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Project roadmap

  1. 01

    Define the system contract

    ~1h

    Document the input/output format, persistence needs, main user flow, and failure behavior for Subscription Churn Model.

  2. 02

    Implement the core workflow

    ~2h

    Build the primary Subscription Churn Model data flow with clear modules, validation, and explicit error handling.

  3. 03

    Add persistence or integration

    ~2h

    Connect Subscription Churn Model to its database, filesystem, external API, or runtime integration and handle transient failures.

  4. 04

    Harden operational behavior

    ~1.5h

    Handle duplicates, timeouts, partial failures, empty data, and restart scenarios that can affect Subscription Churn Model.

  5. 05

    Test the complete flow

    ~1.5h

    Add focused tests and realistic fixtures for successful operations and important failure paths in Subscription Churn Model.

Resources

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~8h · 5 steps

Tech stack

PostgreSQLpsqlPL/pgSQL