MySQL – Page 3 – ITFROMZERO – Share tobe shared!

Mastering Foreign Keys in MySQL: Don’t Let Your Database Become a Data Junkyard

By admin June 24, 2026

Stop your database from becoming a junkyard. This guide covers MySQL Foreign Keys, ON DELETE CASCADE, and performance optimization tips for tables exceeding 50 million records.

MySQL

MySQL Isolation Levels: Don’t Let Transactions Ruin Your Data

By admin June 21, 2026

Dirty Read, Non-repeatable Read, and Phantom Read are classic database errors. Learn how MySQL uses four Isolation levels to protect your data.

MySQL

Fixing MySQL Connection Errors: From 1045 to ‘Too Many Connections’ – Real-World Stories and Solutions

By admin June 20, 2026

Fix MySQL errors 1045, 2002, and Too Many Connections with hands-on, real-world guidance. Learn how to accurately diagnose problems and optimize database connections based on practical experience.

MySQL

mysqlbinlog: How to Read and Analyze MySQL Binary Logs for Incident Investigation and Database Auditing

By admin June 17, 2026

mysqlbinlog is the tool for reading and analyzing MySQL binary logs, helping you investigate incidents, track down the cause of data loss, and perform Point-in-Time Recovery. This article shares hands-on experience from 6 months running a production MySQL 8.0 instance with 50GB of data — from enabling binlog correctly to working through real-world investigation scenarios.

MySQL

Handling Duplicate Rows in MySQL: 3 Techniques from Quick Fixes to Heavy-Duty Solutions

By admin June 17, 2026

Duplicate data skews reports and slows down systems. Discover 3 fast and safe ways to delete duplicate rows in MySQL from a database expert.

MySQL

MySQL Semi-synchronous Replication: Zero Data Loss Without Group Replication

By admin June 13, 2026

MySQL Semi-synchronous Replication ensures zero data loss for production databases by requiring at least one slave to acknowledge receipt of the binlog before the master commits. This article compares async, semi-sync, and Group Replication, analyzes when each is appropriate, and provides a step-by-step deployment guide from enabling the plugin to real-world monitoring.

MySQL

MySQL Document Store: Use MySQL as NoSQL with X DevAPI — No Need to Switch Databases

By admin June 13, 2026

MySQL Document Store lets you store JSON documents as flexibly as MongoDB — right inside MySQL, without adding a new database engine to your stack. This article walks through using X DevAPI from MySQL Shell and Python to create collections, query documents, build indexes, and mix document and relational data within the same instance.

MySQL

A Guide to Using mysqlcheck for MySQL Database Maintenance, Optimization, and Table Repair

By admin June 13, 2026

A detailed guide on using mysqlcheck to check for table corruption, repair broken tables, and optimize MySQL database performance — with practical tips from real production incidents.

MySQL

How to Use MySQLTuner to Diagnose and Quickly Optimize MySQL Server Configuration

By admin June 13, 2026

MySQLTuner is a Perl script that analyzes your running MySQL configuration and delivers specific optimization recommendations in just a few minutes. This guide walks through installation, interpreting the output, and applying key settings like innodb_buffer_pool_size and thread_cache_size in practice.

MySQL

Dockerize MySQL for Dev Environments: Using Init Scripts to Auto-Initialize Schema and Sample Data

By admin June 13, 2026

A guide to Dockerizing MySQL with init scripts — automatically creating schema and seed data when the container first starts. Set up in 5 minutes, giving the whole team a consistent environment with zero manual steps.