data-diff

What it does

Data Diff is an open-source package that can be run in a CLI or wrapped into any data orchestrator such as Airflow, Dagster, etc. Compare datasets quickly (seconds/minutes) at a large (millions/billions of rows) scale across different databases.

• DD
  Data Diff – compare tables of any size across databases2022 · ▲127

  Gleb, Alex, Erez and Simon here – we are building an open-source tool for comparing data within and across databases at any scale. The repo is at https://github.com/datafold/data-diff, and our home page is https://datafold.com/. As a company, Datafold builds tools for data engineers to automate the most tedious and error-prone tasks falling through the cracks of the modern data stack, such as data testing and lineage. We launched two years ago with a tool for regression-testing changes to ETL code…

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  data-diff2022 · ▲10

  Efficiently diff data in or across relational databases

• PD
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• AB
  A benchmark for analytical databases (Snowflake, Druid, Redshift)2022 · benchmark.clickhouse.com · ▲137

  I created a web page to compare different analytical databases (both self-managed and services, open-source and proprietary) on a realistic dataset. It contains 20+ databases, each with installation and data loading scripts. And they can be compared to each other on a set of 43 queries, by data load time or by storage size. There are switches to select different types of databases for comparison - for example, only MySQL compatible or PostgreSQL compatible. If you play with the switches, many interesting details will be uncovered. Full description:…

• DI
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