Optional ReadonlybundlesOptional ReadonlyfilesReadonlyidReadonlynameOptional ReadonlypersistOPFS path (e.g. opfs://asksql.db) backing the database, so tables survive a page reload.
Omit for an in-memory database. File views stay session-scoped; CREATE TABLE to persist them.
DuckDB-WASM bundles. Omit to use the jsDelivr CDN (needs network + a CSP that allows it). Provide self-hosted bundle URLs for offline / strict CSP.