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

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PostgreSQL's recovery_prefetch prefetches pages the WAL already holds

PostgreSQL's recovery_prefetch prefetches pages the WAL already holds

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6 min read
Auditing wp_options autoload, revisions and transients before you clean a WordPress database

Auditing wp_options autoload, revisions and transients before you clean a WordPress database

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5 min read
SQL Server'da yavaş sorgu nasıl hızlandırılır?

SQL Server'da yavaş sorgu nasıl hızlandırılır?

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9 min read
Compiling Customer Segments to SQL: OR Groups, Tenant Safety and Membership That Stays Current

Compiling Customer Segments to SQL: OR Groups, Tenant Safety and Membership That Stays Current

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9 min read
Slow SQL query: find a missing index with EXPLAIN

Slow SQL query: find a missing index with EXPLAIN

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11 min read
Your Agent's ADD FOREIGN KEY Stalls Writes on Two Tables. NOT VALID, Then VALIDATE

Your Agent's ADD FOREIGN KEY Stalls Writes on Two Tables. NOT VALID, Then VALIDATE

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7 min read
Construí un panel OLAP con DuckDB que consulta datos en el navegador

Construí un panel OLAP con DuckDB que consulta datos en el navegador

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6 min read
How Relational Databases Prevent Data Corruption: Two-Phase Locking (2PL)

How Relational Databases Prevent Data Corruption: Two-Phase Locking (2PL)

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2 min read
If You Know SQL, You Already Know Most of pandas

If You Know SQL, You Already Know Most of pandas

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7 min read
Postgres full-text search is enough for most side projects

Postgres full-text search is enough for most side projects

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1 min read
Postgres full-text search is enough for most side projects

Postgres full-text search is enough for most side projects

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1 min read
Sequill: A Free, Private SQLite Editor & Schema Designer That Runs in Your Browser

Sequill: A Free, Private SQLite Editor & Schema Designer That Runs in Your Browser

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5 min read
Building GTA6 Grid: React, PostgreSQL Search, and SEO Beyond Meta Tags

Building GTA6 Grid: React, PostgreSQL Search, and SEO Beyond Meta Tags

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6 min read
SQL Server Blocking: How to Find the Head Blocker and Fix It

SQL Server Blocking: How to Find the Head Blocker and Fix It

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3 min read
WJb Persistent Storage Benchmark: SQLite vs SQL Server

WJb Persistent Storage Benchmark: SQLite vs SQL Server

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3 min read
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