> For the complete documentation index, see [llms.txt](https://docs.ent-framework.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ent-framework.net/advanced.md).

# Advanced

- [Database Migrations and pg-mig Tool](https://docs.ent-framework.net/advanced/database-schema-migrations.md)
- [Ephemeral (Symbol) Fields](https://docs.ent-framework.net/advanced/ephemeral-symbol-fields.md)
- [Atomic Updates and CAS](https://docs.ent-framework.net/advanced/atomic-updates-and-cas.md)
- [Custom Field Refactoring](https://docs.ent-framework.net/advanced/custom-field-refactoring.md)
- [VC Flavors](https://docs.ent-framework.net/advanced/vc-flavors.md)
- [Query Cache and VC Caches](https://docs.ent-framework.net/advanced/query-and-custom-caches.md)
- [Loaders and Custom Batching](https://docs.ent-framework.net/advanced/loaders-and-custom-batching.md)
- [PostgreSQL Specific Features](https://docs.ent-framework.net/advanced/postgresql-specific-features.md)
- [Query Planner Hints](https://docs.ent-framework.net/advanced/query-planner-hints.md)
- [Cluster Maintenance Queries](https://docs.ent-framework.net/advanced/cluster-maintenance-queries.md)
- [Logging and Diagnostic Tools](https://docs.ent-framework.net/advanced/logging-and-diagnostic-tools.md)
- [Composite Primary Keys](https://docs.ent-framework.net/advanced/composite-primary-keys.md)
- [Passwords Rotation](https://docs.ent-framework.net/advanced/passwords-rotation.md)