OptionalaccessDatabase access mode. Use READ_ONLY to prevent any data modification.
OptionalcustomCustom configuration options. Key-value pairs passed directly to duckdb_set_config.
OptionalenableEnable external access (file I/O, httpfs, etc.). Set to false to prevent all external data access. WARNING: Setting to false will disable httpfs functionality.
OptionallockLock configuration after startup. Prevents runtime configuration changes via SQL SET commands.
DuckDB configuration options.