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

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PostgreSQL Benchmarking Tool & SQLite Internals: API Error Handling, Join Optimization

PostgreSQL Benchmarking Tool & SQLite Internals: API Error Handling, Join Optimization

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3 min read
ClickHouse Duplicates: Clean Your Results vs. Clean Your Storage

ClickHouse Duplicates: Clean Your Results vs. Clean Your Storage

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3 min read
One Free Database Client That Replaced Five Tools in My Daily Workflow

One Free Database Client That Replaced Five Tools in My Daily Workflow

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4 min read
Soft Delete vs Archive Table: The Choice That Haunts Your Queries

Soft Delete vs Archive Table: The Choice That Haunts Your Queries

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6 min read
SQLite `generate_series` Precision Bug, PostgreSQL Pagination Tuning, & Large Table Replication

SQLite `generate_series` Precision Bug, PostgreSQL Pagination Tuning, & Large Table Replication

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3 min read
How I Built a Real-Time PostgreSQL WAL Reader in GO

How I Built a Real-Time PostgreSQL WAL Reader in GO

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2 min read
Why I Built a Go SQL Helper

Why I Built a Go SQL Helper

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8 min read
Master Window Function trong SQL: Bí Kíp Tối Ưu Phân Tích Dữ Liệu

Master Window Function trong SQL: Bí Kíp Tối Ưu Phân Tích Dữ Liệu

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4 min read
How to see running queries in Postgres and kill them

How to see running queries in Postgres and kill them

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3 min read
How to toggle realtime on a table in Supabase migrations

How to toggle realtime on a table in Supabase migrations

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2 min read
SQLite Internals & Audit Patterns; New Open-Source PostgreSQL UI

SQLite Internals & Audit Patterns; New Open-Source PostgreSQL UI

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4 min read
SQLite `ON CONFLICT DO SELECT` Proposal, PostgreSQL 19 Features & SQLite Critical Bug

SQLite `ON CONFLICT DO SELECT` Proposal, PostgreSQL 19 Features & SQLite Critical Bug

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3 min read
Pterocos: A free online editor for Python, Ruby, SQL, Lua, and web code

Pterocos: A free online editor for Python, Ruby, SQL, Lua, and web code

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1 min read
How I cut Django indexing from 23 minutes to 11 minutes with one SQL change

How I cut Django indexing from 23 minutes to 11 minutes with one SQL change

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1 min read
Your Database Is Fast. Your Queries Are Slow.

Your Database Is Fast. Your Queries Are Slow.

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4 min read
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