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Full Name
Ruijun (Ryan) Bai
Full Name
ACE Associate
Top Level Details
Job Role
DBA
Company
Shanghai New Century Network Tec. Co.,Ltd
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Ruijun (Ryan)
I am an Oracle ACE, member of OCM China (OCMH). I obtained Oracle 10G OCE OCP, Oracle 11G OCM, MySQL 5.6 OCP and OGG certifications. Working for nearly 10 years as a senior Oracle database expert, ITPUB expert blogger, with rich experience in the database field. I have served for the operation and maintenance of Hainan Telecom, Guangxi Mobile and other customers, responsible for the deployment and implementation of high-availability database, data migration, fault handling, performance optimization and other work; Once served as senior DBA of Watsons, correcting the operation and maintenance mode of the company's database, and I have rich experience in database project management. Dedicated to promoting and sharing database technology. Oracle ACE，中国OCM之家（OCMH）成员。获得Oracle 10g OCE OCP、Oracle 11g OCM、MySQL 5.6 OCP 认证、OGG 认证获得者。从业近 10 年，资深 Oracle 数据库专家，ITPUB 专家博主，在数据库领域有丰富的经验。曾服务于运维海南电信、广西移动等多个客户，负责高可用数据库的部署实施、数据迁移、故障处理、性能优化等工作；曾任屈臣氏高级 DBA，对公司数据库运维模式进行整改，有丰富的数据库项目管理经验。致力于推广和分享数据库技术。
Expertises
Database
Home Page
http://blog.itpub.net/31490526
Oracle Community
https://community.oracle.com/tech/developers/profile/Ruijun%20Bai
Links
Latest Contributions
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数据库运维之道：从Oracle到多元生态
Aug 02, 2025 - Presenting - video/webinar - ACDU China Tour
Database
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Oracle 19c DBA's Guide：5.9 & 5.10 &5.11
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：6.1 & 6.2
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：6.5 & 6.6
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：6.3 & 6.4
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：5.7 & 5.8
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：6.7 & 6.8 & 6.9
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：5.5 & 5.6
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：5.4 Configuring Oracle Database for Shared Server
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：5.2 & 5.3
May 22, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：4.5 SRVCTL Command Reference for Oracle Restart
May 15, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：4.6 CRSCTL Command Reference
May 15, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：3.5 & 3.6
May 15, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：3.2 Altering Database Availability
May 15, 2025 - Blog post -
Database 19c
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Oracle 19c DBA's Guide：3.4 Quiescing a Database
May 15, 2025 - Blog post -
Database 19c
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