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All Data and AI Weekly #247-22 June 2026

All Data and AI Weekly #247-22 June 2026

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10 min read
Synthetic Data for Data Engineering: How to test a Pipeline before the real data arrives

Synthetic Data for Data Engineering: How to test a Pipeline before the real data arrives

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6 min read
# AI-Generated SQL Has a Silent Failure Problem. Here's a Way to Catch It.

# AI-Generated SQL Has a Silent Failure Problem. Here's a Way to Catch It.

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5 min read
AWS DEA-C01: What Each Domain Actually Tests (Not What the Blueprint Says)

AWS DEA-C01: What Each Domain Actually Tests (Not What the Blueprint Says)

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4 min read
Can You Be a Data Scientist Without Statistics? Yes. Should You?

Can You Be a Data Scientist Without Statistics? Yes. Should You?

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14 min read
Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

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4 min read
An Engineer's Guide to DuckDB and Modern OLAP Databases

An Engineer's Guide to DuckDB and Modern OLAP Databases

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11 min read
Day 32: Configuring ClickHouse® Clusters with ClickHouse Keeper

Day 32: Configuring ClickHouse® Clusters with ClickHouse Keeper

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5 min read
schema drift를 fail이 아니라 warn으로 둔 이유

schema drift를 fail이 아니라 warn으로 둔 이유

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2 min read
Day 26 of 100 Days of ClickHouse: Understanding Distributed Tables

Day 26 of 100 Days of ClickHouse: Understanding Distributed Tables

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4 min read
Listening to the Heartbeat of Your Database: Understanding Change Data Capture (CDC)

Listening to the Heartbeat of Your Database: Understanding Change Data Capture (CDC)

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4 min read
What DIY web scraping really costs (2026 TCO breakdown)

What DIY web scraping really costs (2026 TCO breakdown)

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7 min read
46%. 13%. 61%. Same Data, Three Headlines.

46%. 13%. 61%. Same Data, Three Headlines.

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4 min read
skip에서 partition overwrite로: business_date 재처리를 Iceberg로 다시 표현하기

skip에서 partition overwrite로: business_date 재처리를 Iceberg로 다시 표현하기

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3 min read
wide CSV 여러 개를 EAV로 모아 gold mart 만들기

wide CSV 여러 개를 EAV로 모아 gold mart 만들기

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2 min read
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