jssdataloom — JS + JDBC data extraction with GraalVM

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DEV Community: javascript·Carlos Kassab·15 days ago

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Quick way to pull data from a DB, filter it, cross-reference IDs, and dump a clean CSV.

Wrote a few .jss scripts using GraalVM's polyglot context instead of reaching for a full ETL tool.

No build step. No framework. Just GraalVM + JDBC drivers.

    JavaScript with direct Java/JDBC access

    In-memory indexed lookups (up to 6 columns)

    RFC 4180 CSV output

Built on JavaScript Shell (jss): https://github.com/LaranIkal/jss

Repo: https://github.com/LaranIkal/jssdataloom

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