Uwe Geercken

A web-based S3 object browser supporting listing, filtering, move, delete, upload, download (also bulk), snapshots (parquet), favorites and flexible prefix templates.

Java Business Rule Engine (Jare) - Sources and Jar file

A containerized data pipeline built around DuckLake — an open table format that uses DuckDB, PostgreSQL as the metadata catalog, and S3-compatible object storage (MinIO) for the actual data files. JSON records are read from a file, published to a Kafka topic, consumed in batches, and persisted into a DuckLake table.

Generate test data. Including null probability definition and various transformations. Output to CSV, Json, Parquet or Excel. Supports nested structures. Powered by duckdb

Generates a DuckDB CREATE TABLE statement from a JSON Schema and optionally validates data files

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