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Posts on building, using, and learning about databases.

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How I compute a "typical price" for 22,000 LEGO offers (and why shop discounts are mostly theatre)

How I compute a "typical price" for 22,000 LEGO offers (and why shop discounts are mostly theatre)

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6 min read
InfluxDB vs TDengine: MIT single-node or AGPL with clustering and tag-count prices

InfluxDB vs TDengine: MIT single-node or AGPL with clustering and tag-count prices

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3 min read
What I learned from building a relational database engine in C#

What I learned from building a relational database engine in C#

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4 min read
Best ERD Database Design Tools: SQLDBM, dbdiagram, DrawSQL, Lucidchart & Eraser Features Compared

Best ERD Database Design Tools: SQLDBM, dbdiagram, DrawSQL, Lucidchart & Eraser Features Compared

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10 min read
Change Data Capture: A Guide to Database Synchronization

Change Data Capture: A Guide to Database Synchronization

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5 min read
SaaS multi-tenant en Laravel: una base de datos, un global scope y las fugas que no detecta: 02 de 08

SaaS multi-tenant en Laravel: una base de datos, un global scope y las fugas que no detecta: 02 de 08

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10 min read
How a one-line scale-up can exhaust your database connections

How a one-line scale-up can exhaust your database connections

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3 min read
max_wal_size, explained

max_wal_size, explained

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8 min read
Why PostHog Left DuckDB at 2 PB (and How to Check Your DuckLake Catalog)

Why PostHog Left DuckDB at 2 PB (and How to Check Your DuckLake Catalog)

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7 min read
Is your Flutter local database still maintained? A 2026 check

Is your Flutter local database still maintained? A 2026 check

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3 min read
Your Node API isn't slow. It's waiting for a database connection.

Your Node API isn't slow. It's waiting for a database connection.

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5 min read
Orders stall only during sales: work done while holding a SELECT FOR UPDATE lock

Orders stall only during sales: work done while holding a SELECT FOR UPDATE lock

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7 min read
Your primary key is a storage decision

Your primary key is a storage decision

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3 min read
CRM ile dış sistemler arasında çift yönlü veri senkronizasyonu: Alan sahipliği, değişiklik imleci, döngü önleme ve çakışma çözümü

CRM ile dış sistemler arasında çift yönlü veri senkronizasyonu: Alan sahipliği, değişiklik imleci, döngü önleme ve çakışma çözümü

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9 min read
How Databases Safely Ignore Obsolete Writes: Thomas Write Rule Explained

How Databases Safely Ignore Obsolete Writes: Thomas Write Rule Explained

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2 min read
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