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Full Name
Wang Linghua
Full Name
ACE Pro
Top Level Details
Job Role
senior DBA
Company
Hangzhou Meichuang Technology Co., Ltd.
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Wang
Oracle OCP, MySQL OCP Certified expert, ITPUB columnist. oracle, mysql, sql server, oceanbase database expert. Worked in Hangzhou Meichuang Technology Co., LTD., as senior DBA, senior architect and project manager. More than 6 years of experience in large-scale database operation and maintenance field, mainly for oracle, good at troubleshooting, problem diagnosis, large volume (TB) migration, abnormal fault repair, bbed, etc. Rich experience in leading large-scale projects. Service industries include: communication operators, banks, finance, government units, medical care, manufacturing, universities and so on.
Expertises
Database
Home Page
https://blog.itpub.net/69980685/
Cloud Customer Connect
https://community.oracle.com/people/User_5SZJ7
Links
Latest Contributions
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log file sync排查方向
Feb 05, 2026 - Blog post -
Database
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ORA-39083 ORA-00904（扩展统计信息）
Feb 05, 2026 - Blog post -
Database
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ORA-00054: resource busy and acquire with NOWAIT specified
Feb 05, 2026 - Blog post -
Database
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oracle轮流重启rac节点故障
Dec 09, 2025 - Blog post -
Database
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oracle一次卡顿案例(九)
Dec 09, 2025 - Blog post -
Database
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oracle基础sql优化案例（一）
Dec 09, 2025 - Blog post -
Database
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