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schema declarative sync

Generate a new migration by diffing your declarative schema files against the current migration state.

Claude Code Knowledge Pack7/10/2026

Overview

supabase-db-schema-declarative-sync

Generate a new migration by diffing your declarative schema files against the current migration state.

When no declarative schema exists yet, the command offers to run generate first. After computing the diff, you can optionally name the migration and apply it to the local database.

Requires --experimental flag or [experimental.pgdelta] enabled = true in config.