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pg-osc (Online Schema Change) is a CLI tool for making non-blocking schema changes to large PostgreSQL tables. It creates a shadow table, copies data incrementally, and swaps tables with minimal downtime. Ideal for high-traffic applications, pg-osc lets teams modify database structures safely in production environments.
Features
- Perform non-blocking ALTER TABLE operations
- Uses shadow table and trigger-based syncing
- Minimal downtime during schema changes
- Progress reporting and resumable execution
- CLI interface for ease of use and automation
- Safe rollback and dry-run capabilities
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DatabaseLicense
MIT LicenseFollow pg-osc
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