MySQL Archives - Page 4 of 13 - ITFROMZERO

Handling MySQL Hangs Due to Metadata Locking: Don’t Let an ALTER Command Crash Your System

By IT From Zero August 16, 2026

Is ALTER TABLE hanging your MySQL? Explore the Metadata Locking (MDL) mechanism, how to use Performance Schema to find blocking threads, and tips for safe migrations on large databases.

MySQL

Data Masking in MySQL: Essential Techniques for Protecting PII in Dev/Test Environments

By IT From Zero August 15, 2026

Don't let production data 'wander' into test environments. This detailed guide on MySQL Data Masking helps protect customer PII while ensuring application logic remains intact.

MySQL

MySQL Shell for VS Code: Manage Databases and Create ‘Pro’ ERDs Like Workbench Directly in Your Editor

By IT From Zero August 15, 2026

Stop letting MySQL Workbench slow down your machine. Discover how to use MySQL Shell for VS Code to manage databases, draw ERDs, and use Notebooks seamlessly inside your editor.

MySQL

Implementing Soft Delete in MySQL: Don’t Let Unique Constraints and Indexes Slow You Down

By IT From Zero August 8, 2026

Soft Delete is more than just adding a Boolean column. Discover how to handle Unique Constraints using Virtual Columns and optimize indexes for large databases based on real-world experience.

MySQL

Is MySQL Choking Under Heavy Write Loads? Optimization Secrets for Write-Heavy Systems

By IT From Zero August 8, 2026

Is your MySQL system slowing down during heavy write operations? Discover how to optimize Redo Log, Doublewrite Buffer, and Batch Insert techniques to boost write speeds by 10x.

MySQL

Mastering Vietnamese Search in MySQL: From Sluggish LIKE to Optimized Full-Text Search

By IT From Zero August 8, 2026

Don't let search features slow down your system. Discover how to combine Shadow Columns and MySQL Full-Text Search for seamless accented and unaccented Vietnamese queries.

MySQL

High-Speed MySQL Backup & Restore: Reducing Time from 15 Hours to 2 Hours with Mydumper

By IT From Zero August 1, 2026

Large MySQL database running slow with mysqldump? Discover how to use mydumper and myloader for multi-threaded backups, cutting recovery time by up to 80%.

MySQL

Is MySQL COUNT(*) Slow? Don’t Let Your Dashboard Freeze When Data Hits Millions of Rows

By IT From Zero July 30, 2026

Why does MySQL COUNT(*) slow down on large InnoDB datasets? This article analyzes the impact of MVCC and provides 4 optimization techniques using Counter Tables, Metadata, and Redis.

MySQL

MySQL Hash Join: A Lifesaver for Queries Lacking Indexes on MySQL 8.0.18+

By IT From Zero July 30, 2026

What is MySQL Hash Join? Learn how it works, how to configure join_buffer_size, and practical tips to significantly speed up JOIN queries lacking indexes.

MySQL

MySQL 9.0 and VECTOR: Embedding Storage Solution for AI Apps Without a Secondary DB

By IT From Zero July 22, 2026

MySQL 9.0 officially supports the VECTOR data type. Learn how to store AI embeddings, calculate Cosine distance, and build efficient semantic search systems directly in MySQL.