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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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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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MySQL MGR环境MDL锁堵塞案例分析
Nov 10, 2025 - Blog post -
Database
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MySQL 8.0 特性使用案例介绍（一）
Nov 10, 2025 - Blog post -
Database
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MySQL 业务用户赋权导致复制同步异常案例分析
Nov 10, 2025 - Blog post -
Database
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MySQL 8.0 特性使用案例介绍（二）
Nov 10, 2025 - Blog post -
Database
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记一次MySQL主从同步异常故障处理案例分析
Aug 06, 2025 - Blog post -
Database
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记一次Oracle数据库归档日志暴增故障案例分析
Aug 06, 2025 - Blog post -
Database
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记一次Oracle物化视图自动刷新异常案例分析
Aug 06, 2025 - Blog post -
Database
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记一次数据泵导入命中ORA-39183错误分析
May 07, 2025 - Blog post -
Database
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记一次DG库日志应用正常但数据不同步的极端案例分析
May 07, 2025 - Blog post -
Database
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MySQL MGR集群节点宕机恢复案例分析（一）
Mar 06, 2025 - Blog post -
Database
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