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CDC with Sling: When Log-Based Works and When Query-Based Is Enough

CDC with Sling: When Log-Based Works and When Query-Based Is Enough

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8 min read
How to integrate Apache Airflow with OpenLineage for end-to-end traceability

How to integrate Apache Airflow with OpenLineage for end-to-end traceability

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6 min read
95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

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5 min read
My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

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5 min read
dbt Was Not Designed for Multi-Tenant SaaS. Here's How I Made It Work.

dbt Was Not Designed for Multi-Tenant SaaS. Here's How I Made It Work.

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4 min read
Building a real-time price monitoring pipeline that does not poison your data

Building a real-time price monitoring pipeline that does not poison your data

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4 min read
Building an investing knowledge graph, part 3: same company, seven names

Building an investing knowledge graph, part 3: same company, seven names

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4 min read
The Pipeline Worked. Then the Research Outgrew It.

The Pipeline Worked. Then the Research Outgrew It.

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4 min read
I built a free, interactive SQL practice tool for data engineering interviews

I built a free, interactive SQL practice tool for data engineering interviews

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1 min read
Subqueries vs CTEs: Query Optimizer Internals & Memory Spooling Explained

Subqueries vs CTEs: Query Optimizer Internals & Memory Spooling Explained

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2 min read
Building a Quote Monitoring Pipeline for Insurance Pricing

Building a Quote Monitoring Pipeline for Insurance Pricing

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4 min read
SQL Execution Order Internals: Why WHERE Fails on Aliases but ORDER BY Succeeds

SQL Execution Order Internals: Why WHERE Fails on Aliases but ORDER BY Succeeds

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1 min read
What Should a Real Data Engineer Assessment Actually Test?

What Should a Real Data Engineer Assessment Actually Test?

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3 min read
Stop Re-Receiving the Advice You Already Rejected

Stop Re-Receiving the Advice You Already Rejected

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4 min read
Data Engineers Now Out-Earn Data Scientists. AI Engineers Beat Both.

Data Engineers Now Out-Earn Data Scientists. AI Engineers Beat Both.

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7 min read
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