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Hello World !

Hello World !

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1 min read
SQL Query Execution Order: Why Your Query Doesn't Run Top-to-Bottom

SQL Query Execution Order: Why Your Query Doesn't Run Top-to-Bottom

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4 min read
Parsing financial statement PDFs: parentheses, comparative columns and subtotal checks

Parsing financial statement PDFs: parentheses, comparative columns and subtotal checks

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Comments 1
6 min read
It passed every constraint. It was still wrong.

It passed every constraint. It was still wrong.

Comments 2
6 min read
DuckLake 1.0 and Iceberg 1.11: What a Data Engineer Should Know

DuckLake 1.0 and Iceberg 1.11: What a Data Engineer Should Know

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9 min read
Building Verifiable Blockchain Metrics: The Evidence Architecture Behind Voxonomics

Building Verifiable Blockchain Metrics: The Evidence Architecture Behind Voxonomics

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6 min read
Product Matching Is Mostly About Avoiding Confident Wrong Answers

Product Matching Is Mostly About Avoiding Confident Wrong Answers

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5 min read
Como aprendi Apache Spark — Parte 1: Por que o Spark mudou o processamento de Big Data

Como aprendi Apache Spark — Parte 1: Por que o Spark mudou o processamento de Big Data

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7 min read
Migrating Legacy ETL to Palantir Foundry: Incremental Transforms, Schema Evolution, and Reconciliation Without Downtime

Migrating Legacy ETL to Palantir Foundry: Incremental Transforms, Schema Evolution, and Reconciliation Without Downtime

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9 min read
DuckDB 2.0 for Data Engineers: Upgrade Risks and What to Know

DuckDB 2.0 for Data Engineers: Upgrade Risks and What to Know

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9 min read
Three months of sales vanished, and every dbt run was green

Three months of sales vanished, and every dbt run was green

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5 min read
Como aprendi Apache Spark: revisitando uma jornada pela Engenharia de Dados

Como aprendi Apache Spark: revisitando uma jornada pela Engenharia de Dados

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4 min read
Your ERP extract is 31% wrong. Nothing errored.

Your ERP extract is 31% wrong. Nothing errored.

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Comments 10
17 min read
Your data engineer job description is trying to hire a team

Your data engineer job description is trying to hire a team

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6 min read
Change Data Capture is the modern default for keeping systems in sync — challenged

Change Data Capture is the modern default for keeping systems in sync — challenged

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1 min read
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