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Data Lake Queries

Intermediate

Data

Query Parquet files directly from S3 using DuckDB without any ETL. Results are returned in seconds for ad-hoc analytics.

Workflow Steps

  1. 1
    Connect DuckDB to S3 bucket via httpfs
  2. 2
    Scan Parquet file metadata for schema
  3. 3
    Run analytical SQL query with predicate pushdown
  4. 4
    Return result set to caller
  5. 5
    Cache query plan for repeat queries

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