📰 Dev.to · Philip Hern
13 articles · Updated every 3 hours · View all reads
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⚡ AI Lessons

Dev.to · Philip Hern
2w ago
room to breathe
why ai makes it feel like you can always do a little more, and why you still need room to breathe when you, not the model, are the one who has to review, unders

Dev.to · Philip Hern
2w ago
the guardrails i actually use with ai agents
the concrete guardrails i put around ai coding agents, including read-only and ask modes, command allowlists, scoped database credentials, branch protection, an

Dev.to · Philip Hern
3w ago
dynamic tables, where have you been all my life?
how snowflake dynamic tables provide a declarative, join-supporting alternative to traditional task orchestration and materialized views

Dev.to · Philip Hern
1mo ago
keep your snapshots simple
snapshots are powerful but expensive. use them only when absolutely necessary, never stack them on top of each other, and let the rest of your warehouse stay de

Dev.to · Philip Hern
📅 Project Management
⚡ AI Lesson
1mo ago
back at it
a short note on getting through a heavy lift by staying with the problem, working in smaller chunks, and reaching a stable enough place to breathe before the ne

Dev.to · Philip Hern
2mo ago
dbt snapshots: moving from merges to native history
a guide on using dbt snapshots to track slowly changing dimensions, including lessons learned from migrating away from custom merge strategies.

Dev.to · Philip Hern
2mo ago
the future of data engineering workflows with ai
an exploration of how artificial intelligence is reshaping data engineering workflows, from automated pipelines to intelligent data modeling.

Dev.to · Philip Hern
2mo ago
how i use cursor and ai agents to write dbt tests and documentation
a practical guide on leveraging cursor and ai agents to automate the tedious parts of data engineering, specifically dbt tests and documentation.

Dev.to · Philip Hern
2mo ago
dbt tests
a practical guide to dbt tests, with simple examples that catch common data issues before they leak into dashboards and downstream models

Dev.to · Philip Hern
2mo ago
dbt docs
a practical guide to dbt docs, covering what they generate, how to write useful descriptions, doc blocks, persist_docs, and hosting on github pages

Dev.to · Philip Hern
2mo ago
what is sql, and why it still works
an informational primer on sql, including what it is, a short history, why it matters, and where to use it

Dev.to · Philip Hern
2mo ago
the difference between snowflake and the "other" databases
a beginner-friendly guide for data engineers comparing snowflake to rds and nosql databases, covering scalability, use cases, and learning curves

Dev.to · Philip Hern
2mo ago
left join an effective satellite without duplicating rows (use a cte)
a small data vault 2.0 sql pattern: pre-filter the effective satellite in a cte, then left join the cte so optional links do not multiply grain
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