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HTTP(S) Support 11228
With the httpfs extension, it is possible to directly query files over the HTTP(S) protocol. This works for all files supported by DuckDB or its various extensions, and provides read-only access. SELECT * FROM 'https://domain.tld/file.exten ... owing query will only read the Parquet metadata and the data for the column_a column: SELECT column_a FROM 'https://domain.tld/file.parquet'; In some cases, no actual data needs to be read at all as they only require reading the metadata: SELECT cou ... nt(*) FROM 'https://domain.tld/file.parquet'; DuckDB's own database format supports partial reading just as well as Parquet. Because the format is block- ... sts to fetch only the blocks required by a query when a remote database file is attached read-only: ATTACH 'https://domain.tld/file.duckdb' AS db (READ_ONLY); SELECT column_a FROM db.tbl; As with Parquet, queries that only need the metadata, such as ...
https://man.mtool.work/duckdb/2.0/core_extensions/httpfs/https.html
Legacy Authentication Scheme for S3 API 7485
Prior to version 0.10.0, DuckDB did not have a Secrets manager . Hence, the configuration of and authentication to S3 endpoints was handled via variables. This page documents the legacy authentication scheme for the S3 API. Warning This pag ... ; Optionally, the endpoint can be configured in case a non-AWS object storage server is used: SET s3_endpoint = '⟨domain⟩.⟨tld⟩:⟨port⟩'; If the endpoint is not SSL-enabled then run: SET s3_use_ssl = false; Switching between path-style and vhost-styl ...
https://man.mtool.work/duckdb/2.0/core_extensions/httpfs/s3api_legacy_authentica...
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DuckDB 2.0 Documentation / man.mtool.work