Search across authors, categories, and technical themes. The layout mirrors the editorial references while staying responsive and fast.
This article explains MySQL InnoDB locking mechanisms—including row, record, gap, next‑key, and intention locks—illustrates each type with SQL statements and performance_schema data, and shows how they interact during concurrent transactions.
This article explains MySQL dual‑master architecture, covering dual‑master replication, master‑slave replication, master‑master with backup nodes, and ring replication, while discussing their advantages, common pitfalls such as loop replication and data inconsistency, and practical solutions to ensure high availability and data integrity.
This guide explains the fundamentals of Linux host file systems, LVM logical volumes, and Docker storage drivers, showing step‑by‑step how to format, mount, and persist MySQL data using Docker volumes and bind mounts on AlmaLinux servers.
This article demonstrates a practical MySQL performance test using a simulated e‑commerce scenario, detailing the user table schema, multithreaded Java code for inserting random user records, parameterized inputs, success counting, and resource management to evaluate and improve registration throughput.
This guide outlines a step‑by‑step method to diagnose and release MySQL table locks by checking open tables, inspecting running processes, querying InnoDB transaction and lock tables, and generating KILL statements to terminate blocking sessions.
This article explains how to assess MySQL table size from table capacity, disk usage, and instance limits, describes why large tables degrade performance due to B+‑tree depth, and presents three practical solutions—partitioning, sharding, and hot‑cold archiving—to improve query speed and manage growth.
This article explains how to use PHP's mysqli_query function to perform MySQL operations such as SELECT, INSERT, UPDATE, and DELETE, providing a step‑by‑step example with connection handling, query execution, result processing, and best‑practice notes.
This article introduces MySQL's tree‑style execution plan output using EXPLAIN FORMAT=TREE, explains its advantages over traditional and JSON formats, and demonstrates its practical use through eight detailed SQL examples with full plan analysis and performance insights.
This guide explains how to set up an automated MySQL backup solution on AlmaLinux using Docker containers, a Bash script, and crontab, covering environment preparation, script creation, command checks, logging, error handling, and optional enhancements such as email notifications and security best practices.
This article walks through the full process of designing, configuring, and implementing a sharding solution for large loan and repayment tables using ShardingSphere, Spring Boot 3, MySQL, and MyBatis‑Plus, covering schema planning, data migration, DBA coordination, code examples, common pitfalls, and operational considerations.