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# postgres

Posts on tips and tricks, using and learning about PostgreSQL for database development and analysis.

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Flutter Web + Supabase Realtime: From Channel Subscriptions to Optimistic Updates

Flutter Web + Supabase Realtime: From Channel Subscriptions to Optimistic Updates

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2 min read
Redis vs Read Replica vs Materialised View: Pick the Right One

Redis vs Read Replica vs Materialised View: Pick the Right One

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7 min read
Idempotency Keys: Where to Put Them, How Long to Keep Them

Idempotency Keys: Where to Put Them, How Long to Keep Them

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6 min read
MongoDB vs Postgres: A Decision Table That Actually Picks For You

MongoDB vs Postgres: A Decision Table That Actually Picks For You

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6 min read
Hybrid Search in 100 Lines: BM25 + pgvector with RRF Merge

Hybrid Search in 100 Lines: BM25 + pgvector with RRF Merge

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6 min read
The Query Inside the Query: Understanding Subqueries and CTEs in SQL

The Query Inside the Query: Understanding Subqueries and CTEs in SQL

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4 min read
SQL Building Blocks: How Subqueries and CTEs Shape Your Data

SQL Building Blocks: How Subqueries and CTEs Shape Your Data

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3 min read
DB Locking 101 for Serverless Devs

DB Locking 101 for Serverless Devs

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7 min read
PostgreSQL Index Usage and Optimization

PostgreSQL Index Usage and Optimization

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7 min read
Stripe Projects Partnership: Provision PlanetScale Postgres and MySQL Databases From the Stripe CLI

Stripe Projects Partnership: Provision PlanetScale Postgres and MySQL Databases From the Stripe CLI

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2 min read
pgBackRest Is No Longer Maintained: 3 PostgreSQL Backup Tools Compared for Production [2026]

pgBackRest Is No Longer Maintained: 3 PostgreSQL Backup Tools Compared for Production [2026]

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6 min read
How I caught a silent NaN bug in production RAG, by asking the system to debug itself

How I caught a silent NaN bug in production RAG, by asking the system to debug itself

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5 min read
Best Datafetcher Alternative for PostgreSQL

Best Datafetcher Alternative for PostgreSQL

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9 min read
The Replication Lag Question That Shows Up in Most Senior Interviews

The Replication Lag Question That Shows Up in Most Senior Interviews

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7 min read
Sharding Strategies in 2026: Range, Hash, Geo, Directory — Which Wins When

Sharding Strategies in 2026: Range, Hash, Geo, Directory — Which Wins When

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7 min read
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