SQL

Workflow	Type	Description
sql.connection.validate	Atomic	Validate an external SQL connection (SELECT 1) and return server version
sql.database.replicate	Linear	Replicate Postgres DDL + data from one SQL connection to another; verify row counts; optionally keep destination synced via watermark catch-up
sql.query.run	Atomic	Execute parameterized SQL against an external SQL connection (Postgres v1; mutations allowed)