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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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绑定执行计划
Feb 11, 2026 - Blog post -
Database
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gpnp介绍
Feb 11, 2026 - Blog post -
Database
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ORA-01157 ORA-01110 ORA-27046（数据文件block size）
Feb 11, 2026 - Blog post -
Database
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脑裂细节（驱逐依据）
Feb 11, 2026 - Blog post -
Database
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buffer busy waits定位热块
Feb 11, 2026 - Blog post -
Database
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ORA-00800: soft external error, arguments: [Set Priority Failed], [VKTM] (Doc ID 2718971.1)
Feb 11, 2026 - Blog post -
Database
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gipc介绍
Feb 11, 2026 - Blog post -
Database
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oracle limit限制
Feb 11, 2026 - Blog post -
Database
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综合性进程梳理、学习
Feb 11, 2026 - Blog post -
Database
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OLR介绍
Feb 11, 2026 - Blog post -
Database
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Root.sh的作用
Feb 11, 2026 - Blog post -
Database
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CBC latch争用
Feb 11, 2026 - Blog post -
Database
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Buffer cache的逻辑I/O和物理I/O
Feb 11, 2026 - Blog post -
Database
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SQL Tuning Advisor(STA)使用方式
Feb 11, 2026 - Blog post -
Database
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log file sync排查方向
Feb 05, 2026 - Blog post -
Database
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