# dfe-schemas

> Every page in the dfe-schemas section.

- [ClickHouse platforms: one probe, one DDL](/v/2.2.1/dfe-schemas/clickhouse-platform.md)
- [Compatibility profiles](/v/2.2.1/dfe-schemas/compat-profiles.md)
- [The apply manifest (`manifest.yaml`)](/v/2.2.1/dfe-schemas/manifest.md)
- [Meta Schema System](/v/2.2.1/dfe-schemas/meta-schema.md)
- [Table definitions (`tables/`)](/v/2.2.1/dfe-schemas/tables.md)