8h ago · 3 min read · BigQuery is magic. You can query petabytes of data in seconds without managing a single server. But that magic comes with a loaded gun pointed directly at your infrastructure budget. Unlike traditiona
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1d ago · 6 min read · As I continue building my path toward AI Engineering, ML Systems, and MLOps, I have been reflecting on three learning milestones that gave me an important foundation: Google Project Management Googl
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1d ago · 18 min read · Why Your 10,000+ Queries Break After Migration — and How to Fix Them If you have ever migrated a data warehouse from Teradata to Google Cloud BigQuery, you have probably experienced that sinking feel
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3d ago · 2 min read · PostgreSQL patterns that separate basic SQL from production-grade queries. Window functions without GROUP BY collapsing rows -- Top 3 earners per department: SELECT * FROM ( SELECT *, ROW_NUMBER() OVER (PARTITION BY department ORDER BY salary DESC)...
Join discussion3d ago · 2 min read · PostgreSQL diagnostics and the patterns you need before you're staring at production slow queries. psql meta-commands — faster than any GUI \l -- list databases \c mydb -- connect to database \dt -- list tabl...
Join discussion3d ago · 2 min read · MySQL diagnostics and the patterns you need before you're staring at a slow query in production. EXPLAIN type column — what you're looking at The type column in EXPLAIN tells you how MySQL is scanning the table: typeMeaningAction constPrimary ...
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