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What Actually Happens When You Call spark.read? One Line of Python, a Thousand Tasks

What Actually Happens When You Call spark.read? One Line of Python, a Thousand Tasks

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42 min read
An Analytics Agent's Permissions Should Survive a Bad Prompt

An Analytics Agent's Permissions Should Survive a Bad Prompt

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2 min read
Building a Data Audit Workbench That Holds Up in an Assessment

Building a Data Audit Workbench That Holds Up in an Assessment

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3 min read
How to Build an Open Lakehouse on Your Laptop

How to Build an Open Lakehouse on Your Laptop

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42 min read
A bad batch loaded with zero errors. One row added $4.5 million.

A bad batch loaded with zero errors. One row added $4.5 million.

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5 min read
Best Snowflake Data Modeling Tools: SQLDBM, erwin, Hackolade & Vertabelo for Reverse Engineering and DDL Generation

Best Snowflake Data Modeling Tools: SQLDBM, erwin, Hackolade & Vertabelo for Reverse Engineering and DDL Generation

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11 min read
Data Engineering Failures Cost Enterprises $3M a Month

Data Engineering Failures Cost Enterprises $3M a Month

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8 min read
Counting a phrase across the King James Bible — and why "fear not" is not 365 times

Counting a phrase across the King James Bible — and why "fear not" is not 365 times

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3 min read
The Distributed Compute Playground: Everything You Can Plug In and Tune in an Apache Spark Job

The Distributed Compute Playground: Everything You Can Plug In and Tune in an Apache Spark Job

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50 min read
Why LLMs Fall for Manipulation? - Victor Amit

Why LLMs Fall for Manipulation? - Victor Amit

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22 min read
Two PySpark contracts Staff DEs learn on a bad Tuesday: foreachBatch restarts and applyInPandas skew

Two PySpark contracts Staff DEs learn on a bad Tuesday: foreachBatch restarts and applyInPandas skew

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8 min read
Hello Everyone

Hello Everyone

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1 min read
Building an Agentic Data Factory with Parquet, DuckDB, MCP, and Refinement Loops

Building an Agentic Data Factory with Parquet, DuckDB, MCP, and Refinement Loops

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5 min read
Stop bad data at the pull request with Great Expectations and GitHub Actions

Stop bad data at the pull request with Great Expectations and GitHub Actions

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4 min read
Reproducible Payroll Starts With a Versioned Calculation Manifest

Reproducible Payroll Starts With a Versioned Calculation Manifest

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7 min read
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