# Success Stories: Case Studies

> Discover how enterprise leaders solve complex PostgreSQL bottlenecks, cut cloud costs, and prevent critical outages. Explore our case studies.

# PostgreSQL Enterprise Case Studies

Every database tells a story of growth, complexity, and resilience. Discover how engineering leaders partner with Command Prompt to protect their infrastructure, prevent critical database outages, and scale PostgreSQL with minimal business disruption.

[ Request a Strategic Discovery Call ](</contact-us/>) [ Get Support ](</support/>)

## Healthtech / Health Care

  * [The 5 TB Data Diet: Shrinking a Database Until It Fit Its New Cloud](</about/success-stories-case-studies/the-5-tb-data-diet-shrinking-a-database-until-it-fit-its-new-cloud/>)
  * [Eighteen Years on Call: From PostgreSQL 8.1 to 17, and a Nine-Minute Report Cut to 30 Seconds](</about/success-stories-case-studies/eighteen-years-on-call-from-postgresql-81-to-17-and-a-nine-minute-report-cut-to-30-seconds/>)
  * [The Migration the Monitoring Could Not See: PostgreSQL 11 to AlloyDB, Live](</about/success-stories-case-studies/the-migration-the-monitoring-could-not-see/>)
  * [Won on Features, Kept on Plumbing: Fifteen Years of Enterprise Identity Federation Behind a National Medical-Coding Platform](</about/success-stories-case-studies/fifteen-plus-years-as-the-full-stack-engineering-partner-behind-a-national-medical-coding-platform/>)
  * [From Zero Backups to a Safety Net Under a Live EMR](</about/success-stories-case-studies/from-zero-backups-to-a-safety-net-under-a-live-emr/>)
  * [From Unrecoverable to Under Control: Taming Multi-Tenant PostgreSQL at 17,000 Schemas](</about/success-stories-case-studies/from-unrecoverable-to-under-control-taming-multi-tenant-postgresql-at-17000-schemas/>)



## Fintech and Financial

  * [Two Hours, Zero Surprises: Retiring End-of-Life PostgreSQL Inside a Bank's Change Window](</about/success-stories-case-studies/two-hours-zero-surprises-retiring-end-of-life-postgres-inside-a-banks-change-window/>)
  * [Thirteen Minutes on a Saturday: Disaster Recovery a Hedge Fund Can Actually Trust](</about/success-stories-case-studies/thirteen-minutes-on-a-saturday-disaster-recovery-a-hedge-fund-can-actually-trust/>)
  * [One Outage, Zero Recurrences: Retiring PostgreSQL's Hidden Capacity Limits at a Global Financial Services Firm](</about/success-stories-case-studies/one-outage-zero-recurrences-retiring-postgresqls-hidden-capacity-limits-at-a-global-financial-services-firm/>)
  * [Audit Data Grows Forever. The Databases Stopped Growing With It: Partitioning, Archiving, and Upgrading a Core-Banking Fleet](</about/success-stories-case-studies/audit-data-grows-forever-the-databases-stopped-growing-with-it-partitioning-archiving-and-upgrading-a-core-banking-fleet/>)
  * [From Weeks to 0.8 Seconds: Planner Engineering at Billions of Rows](</about/success-stories-case-studies/from-weeks-to-08-seconds-planner-engineering-at-billions-of-rows/>)



## Connect with a PostgreSQL Advisor

**Ready to scale your platform, optimize performance, and prevent critical database outages? Connect with our team to explore strategic solutions designed to protect your data with minimal business disruption.**

[Request a Strategic Discovery Call](</contact-us/>)

## General Industries

  * [Restored to the Millisecond: An 18 TB Point-in-Time Recovery, Straight Through an Unreleased PostgreSQL Bugfix](</about/success-stories-case-studies/restored-to-the-millisecond-an-18-tb-point-in-time-recovery-straight-through-an-unreleased-postgresql-bugfix/>)
  * [Breaking the 20 TB Ceiling: A Zero-Data-Loss Exit from AWS RDS to Self-Managed PostgreSQL](</about/success-stories-case-studies/breaking-the-20-tb-ceiling-a-zero-data-loss-exit-from-aws-rds-to-self-managed-postgresql/>)
  * [240 IDs From the Wall: A Zero-Downtime bigint Rescue for a Two-Billion-Row Table](</about/success-stories-case-studies/ahead-of-the-21-billion-wall-bigint-migrations-delivered-as-pull-requests/>)
  * [Every Emergency Resolved, None Caused by PostgreSQL: Fifteen Years Running the Full Stack for a Vacation-Rental Marketplace](</about/success-stories-case-studies/case_study_emergency_resolved_none_by_postgres/>)
  * [Fifteen Years, Seven Emergencies, Zero Data Loss: Managed PostgreSQL Behind a Major Public Library Catalog](</about/success-stories-case-studies/fifteen-years-seven-emergencies-zero-data-loss-managed-postgresql-behind-a-major-public-library-catalog/>)

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