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Posts on building, using, and learning about databases.

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Walking an Org Chart with One SQL Query

Walking an Org Chart with One SQL Query

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1 min read
How I built one open-source SQL workspace for five database engines

How I built one open-source SQL workspace for five database engines

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4 min read
Apache Data Lakehouse Weekly: September 3-9, 2026

Apache Data Lakehouse Weekly: September 3-9, 2026

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25 min read
Why Redis in Front of Postgres is Slowing You Down

Why Redis in Front of Postgres is Slowing You Down

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3 min read
Behind the Button: How Online Payments Work — and Why They’re Hard to Scale

Behind the Button: How Online Payments Work — and Why They’re Hard to Scale

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5 min read
How I approached multi-tenancy in Next.js with PostgreSQL RLS

How I approached multi-tenancy in Next.js with PostgreSQL RLS

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1 min read
How We Made Audit Logs Immutable at the Storage Layer

How We Made Audit Logs Immutable at the Storage Layer

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4 min read
Why a normal client gets 4.6M ops/s out of a Redis cluster that can do 40M

Why a normal client gets 4.6M ops/s out of a Redis cluster that can do 40M

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5 min read
pg_anon caught 1 of my 8 PII columns. My schema isn't in English.

pg_anon caught 1 of my 8 PII columns. My schema isn't in English.

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3 min read
When Claims Volume Breaks Salesforce Storage

When Claims Volume Breaks Salesforce Storage

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7 min read
Why changing your WordPress domain corrupts the database

Why changing your WordPress domain corrupts the database

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5 min read
SQL Fundamentals: DDL and DML Commands with Practical Examples

SQL Fundamentals: DDL and DML Commands with Practical Examples

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7 min read
Fixing a schema-mutating access check in Waaseyaa's taxonomy package

Fixing a schema-mutating access check in Waaseyaa's taxonomy package

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4 min read
Architecting a Political ERP: Handling Indian Electoral Rolls & Booth Hierarchies at Scale

Architecting a Political ERP: Handling Indian Electoral Rolls & Booth Hierarchies at Scale

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1 min read
Detecting Ceph LARGE_OMAP_OBJECTS Before Deep Scrub Finds It

Detecting Ceph LARGE_OMAP_OBJECTS Before Deep Scrub Finds It

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19 min read
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