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DE Interviews Dropped DSA. The Replacement Is a Mess.

DE Interviews Dropped DSA. The Replacement Is a Mess.

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7 min read
Day 50 - How to Migrate Data from MySQL to ClickHouse®: A Step-by-Step Guide

Day 50 - How to Migrate Data from MySQL to ClickHouse®: A Step-by-Step Guide

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5 min read
Day 49: Building Dashboards with ClickHouse® and Apache Superset

Day 49: Building Dashboards with ClickHouse® and Apache Superset

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4 min read
Databricks Lakebase: Give Your Agent a Branch, Not Your Production Database

Databricks Lakebase: Give Your Agent a Branch, Not Your Production Database

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8 min read
How Microsoft Excel Quietly Breaks Your JSON Imports (And How to Fix It)

How Microsoft Excel Quietly Breaks Your JSON Imports (And How to Fix It)

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1 min read
Choose a Columnar Format From the Read Path Backward

Choose a Columnar Format From the Read Path Backward

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2 min read
How to Build a Modern On-Premise Data Lakehouse (Without Vendor Lock-in)

How to Build a Modern On-Premise Data Lakehouse (Without Vendor Lock-in)

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4 min read
Day 48 - Sharding Strategies in ClickHouse®

Day 48 - Sharding Strategies in ClickHouse®

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4 min read
Day 47 - ClickHouse® Memory Management and Tuning

Day 47 - ClickHouse® Memory Management and Tuning

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6 min read
Day 46: A Guide to ClickHouse® Window Functions

Day 46: A Guide to ClickHouse® Window Functions

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5 min read
Day 45: Using ClickHouse® for Log Analytics and Observability

Day 45: Using ClickHouse® for Log Analytics and Observability

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5 min read
I Built a Free Apache Kafka Course from Scratch — Here's the Full Curriculum (and What I Got Wrong)

I Built a Free Apache Kafka Course from Scratch — Here's the Full Curriculum (and What I Got Wrong)

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5 min read
Managed Data Lake: A Guide for 2026

Managed Data Lake: A Guide for 2026

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20 min read
Why *= 2 is slower than = col * 2 in Pandas — and what strace shows about abstraction cost

Why *= 2 is slower than = col * 2 in Pandas — and what strace shows about abstraction cost

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2 min read
Day 44 – Exploring ClickHouse® System Tables for Troubleshooting

Day 44 – Exploring ClickHouse® System Tables for Troubleshooting

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4 min read
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