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Full Name
Hao Xu
Full Name
ACE Pro
Top Level Details
Job Role
department manager
Company
Hangzhou Meichuang Technology Co., LTD
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Hao
Oracle OCM, MySQL OCP certified expert, ITPUB columnist. In 2014, I joined Hangzhou Meichuang Technology Co., Ltd. and worked as senior DBA, senior architect, project manager and department manager. In 2021, I published the book "DBA Challenge Guide: Left-handed Oracle, Right-handed MySQL". With nearly 10 years of working experience in the database field, TB-level high concurrency database management experience, and a large number of database training experience for medium and large industrial customers, I have a deep understanding of the internal principles, architecture and data page/block structure of Oracle and MySQL. I have rich experience in various new features of Oracle and MySQL, asynchronous/semi-synchronous/synchronous high availability architecture technology and performance tuning. I have accumulated a lot of practical experience in the principle, deployment and application of load balancing, read/write separation and open source middleware. Good at fault diagnosis and Oracle, MySQL database abnormal opening and data disaster rescue. Our service industries include telecom operators, communication equipment manufacturers, banks, financial industry, medical care, government, etc. We have provided technical support to more than 200 customers. I have organized and trained 100+ scale professional database training for many times. I have written database related course materials for domestic colleges and universities, enabled database training for customers in different industries, as well as Oracle and MySQL certificate training for peers in the industry.
Expertises
Database
Cloud Customer Connect
https://community.oracle.com/people/xuh
Links
Latest Contributions
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Oracle Redo 误删数据库强制打开案例分析（下）
Feb 09, 2026 - Blog post -
Database
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记一次服务器光模块损坏导致数据库卡顿性能案例分析
Feb 09, 2026 - Blog post -
Database
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记几种手工推进 Oracle SCN 的操作方法案例分析
Feb 09, 2026 - Blog post -
Database
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记一次 Oracle 备份任务自动终止案例分析
Feb 09, 2026 - Blog post -
Database
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记一次 Windows 上安装 Oracle 19c 向导卡顿案例分析
Feb 09, 2026 - Blog post -
Database
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记一次 Oracle 存储过程被覆盖找回案例分析
Feb 09, 2026 - Blog post -
Database
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记一次诡异的 ORA-39183 报错案例分析
Feb 09, 2026 - Blog post -
Database
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Oracle Redo 误删数据库强制打开案例分析（上）
Feb 09, 2026 - Blog post -
Database
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记一次 ora.net1.network 掩码问题导致 RFS 传输失败案例分析
Feb 09, 2026 - Blog post -
Database
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记一次同一节点异常运行两个 LISTENER 监听服务案例分析
Feb 09, 2026 - Blog post -
Database
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MySQL MGR多数派节点宕机集群修复案例分析
Nov 10, 2025 - Blog post -
Database
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MySQL 一种非明文的登录方式介绍
Nov 10, 2025 - Blog post -
Database
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MySQL Explain 使用详解分析
Nov 10, 2025 - Blog post -
Database
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MySQL 匿名用户引发的登录失败案例分析
Nov 10, 2025 - Blog post -
Database
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MySQL 8.4 新特性解读和介绍
Nov 10, 2025 - Blog post -
Database
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