4d ago · 7 min read · To the application layer, a relational database table looks like a neat spreadsheet comprised of logical rows and columns. To the SQL Server Storage Engine, however, that table is a complex collection
Join discussionMay 20 · 15 min read · Have you ever wondered how a database with tens of millions of records can return your query result in under a millisecond? The answer is indexing — one of the most elegant and practical ideas in comp
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May 12 · 10 min read · If you've ever built a RAG (Retrieval-Augmented Generation) system and felt like the answers were "almost good" — you're not alone. The base RAG pipeline works, but it often leaves a lot on the table.
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Apr 27 · 8 min read · PostgreSQL Index Usage and Optimization If you've spent any time tuning PostgreSQL, you've hit the same frustrating moment: you added an index, you're sure it should be used, and the plan still shows a sequential scan. Or the index is used, but the q...
Join discussionApr 22 · 5 min read · After running SEO audits on 2,500+ websites over the past decade, I've noticed a pattern that breaks most new projects. Your Laravel or Next.js app is deployed. Sitemap submitted. You log into Google
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Apr 20 · 4 min read · PostgreSQL BRIN Indexes: When & How to Use Block Range Indexes I recently replaced a 14 GB B-tree index with a 90 KB BRIN index on a time-series table. Same query, same results, 99.9% less disk usage. Insert performance improved by 15% because the BR...
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Apr 19 · 4 min read · PostgreSQL Covering Indexes: Eliminate Heap Fetches with INCLUDE I was profiling a dashboard that loaded in 3 seconds. The main query filtered by customer_id and selected customer_name, email, and last_order_date. PostgreSQL found 2,000 matching rows...
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Apr 18 · 4 min read · PostgreSQL JSONB Indexing: GIN, Expression & Partial Index Strategies Last week I reviewed an application where a 5-million-row events table with a JSONB metadata column had a GIN index, a 250ms query SLA, and sequential scans on every single JSONB q...
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