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

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MySQL ENUM vs CHECK Constraint: Which Value List Changes Copy the Table

MySQL ENUM vs CHECK Constraint: Which Value List Changes Copy the Table

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10 min read
MySQL to Snowflake: Binlog CDC Without Kafka or Debezium, Step by Step

MySQL to Snowflake: Binlog CDC Without Kafka or Debezium, Step by Step

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11 min read
MariaDB to MySQL Migration: Which Schema Features Break, and How to Find Them First

MariaDB to MySQL Migration: Which Schema Features Break, and How to Find Them First

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12 min read
Telling apart 3 reasons MySQL isn't using your index

Telling apart 3 reasons MySQL isn't using your index

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8 min read
SaaS App Data Backups — Managed Database Recovery and Object Storage for Postgres/MySQL

SaaS App Data Backups — Managed Database Recovery and Object Storage for Postgres/MySQL

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6 min read
How Sentinel's Database Autopilot Decides What to Fix (And When to Leave Things Alone)

How Sentinel's Database Autopilot Decides What to Fix (And When to Leave Things Alone)

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3 min read
SQL WHERE vs HAVING: Differences, Execution Order and When to Use Each (Tested Examples)

SQL WHERE vs HAVING: Differences, Execution Order and When to Use Each (Tested Examples)

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11 min read
How to add typo tolerance to a MySQL product search without scanning every word

How to add typo tolerance to a MySQL product search without scanning every word

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3 min read
What Is Database Sharding, and When Should You Shard?

What Is Database Sharding, and When Should You Shard?

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12 min read
Modeling hospital procurement bidding: lessons from my graduation project

Modeling hospital procurement bidding: lessons from my graduation project

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8 min read
Showing every matching page in a PDF search: one query, a pagination gotcha, and two-page spreads

Showing every matching page in a PDF search: one query, a pagination gotcha, and two-page spreads

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5 min read
Fixing SQLSTATE[42000]: 1071 Specified Key Was Too Long (1000 & 767 Bytes) in Laravel

Fixing SQLSTATE[42000]: 1071 Specified Key Was Too Long (1000 & 767 Bytes) in Laravel

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5 min read
Streaming MySQL to BigQuery with the binlog: how CDC works, and the parts that bite

Streaming MySQL to BigQuery with the binlog: how CDC works, and the parts that bite

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5 min read
Lesson 2: Adding MySQL to Laravel’s Apache Docker Setup

Lesson 2: Adding MySQL to Laravel’s Apache Docker Setup

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5 min read
Transactional DDL in PostgreSQL, MySQL and CockroachDB: Which Failed Migrations Roll Back?

Transactional DDL in PostgreSQL, MySQL and CockroachDB: Which Failed Migrations Roll Back?

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10 min read
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