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How to Pass the Amazon SQL Interview (A Practical Guide)

How to Pass the Amazon SQL Interview (A Practical Guide)

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4 min read
Avro schemas for Kafka developers: the 10-minute practical guide

Avro schemas for Kafka developers: the 10-minute practical guide

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2 min read
AWS Has Two Iceberg REST Catalogs: What Each One Actually Serves

AWS Has Two Iceberg REST Catalogs: What Each One Actually Serves

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8 min read
The hardest label in our dataset is the one where nothing happened

The hardest label in our dataset is the one where nothing happened

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14 min read
How to Solve a Month-over-Month Churn SQL Interview Question

How to Solve a Month-over-Month Churn SQL Interview Question

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4 min read
Recursive CTEs, explained from first principles

Recursive CTEs, explained from first principles

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5 min read
Normalize It, Then Break It On Purpose: 3NF to Star Schema, Explained Through Food Delivery

Normalize It, Then Break It On Purpose: 3NF to Star Schema, Explained Through Food Delivery

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10 min read
I Analyzed 2,061 Public n8n Workflows and Found 92% of the AI Nodes Had Been Silently Replaced

I Analyzed 2,061 Public n8n Workflows and Found 92% of the AI Nodes Had Been Silently Replaced

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4 min read
I built a hockey analytics pipeline that scrapes, models, and publishes itself every week — no server, no database

I built a hockey analytics pipeline that scrapes, models, and publishes itself every week — no server, no database

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4 min read
Azure Synapse Databricks: A Migration Playbook That Survives Production

Azure Synapse Databricks: A Migration Playbook That Survives Production

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9 min read
Best Dimensional Data Modeling Tools: erwin Data Modeler Features & Alternatives

Best Dimensional Data Modeling Tools: erwin Data Modeler Features & Alternatives

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11 min read
SQL DATEDIFF Internals: Why 2 Seconds Can Equal 1 Full Day (Boundary Traps)

SQL DATEDIFF Internals: Why 2 Seconds Can Equal 1 Full Day (Boundary Traps)

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2 min read
Competitive Intelligence Is a Freshness Problem, Not a Dashboard Problem

Competitive Intelligence Is a Freshness Problem, Not a Dashboard Problem

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4 min read
Dissecting Semantica’s Graph-Native Core: The Missing Layer Between Context and Accountability

Dissecting Semantica’s Graph-Native Core: The Missing Layer Between Context and Accountability

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2 min read
Migrating Petabyte-Scale Parquet to Iceberg Without Dropping a Single Row

Migrating Petabyte-Scale Parquet to Iceberg Without Dropping a Single Row

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4 min read
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