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Full Name
Lei Shang
Full Name
ACE Associate
Top Level Details
Job Role
DBA
Company
Focus Technology Co.,Ltd.
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Lei
1、Over 10 years of experience in the database field, familiar with the installation, deployment, troubleshooting, backup and recovery, and performance optimization of Oracle 9i, 10g, 11g, 12C, and 19C. 2、Proficient in Oracle high availability architectures (ADG/RAC), with experience in setting up and configuring high concurrency architectures, and maintaining nearly PB-level data. 3、Expert in the installation, deployment, and performance optimization of OGG on various systems, skilled in handling OGG data synchronization, and troubleshooting under both homogeneous and heterogeneous environments. 4、Extensive knowledge of Oracle/MySQL architectures, including memory structures and physical storage; familiar with EMCC monitoring across multiple platforms. 5、Rich practical experience in Unix/Linux system management, capable of analyzing and solving problems at both the system and database levels. 6、Familiar with various other databases, including ElasticSearch, PostgreSQL, ClickHouse, and InfluxDB. 7、Familiar with multiple middleware such as WebLogic and WebSphere, with experience in JDK optimization.
Expertises
Database
Database Administrator (DBA)
Active Data Guard (ADG)
GoldenGate
Elastic Resource Pools
Database 19c
MySQL
MySQL Database
Home Page
https://www.modb.pro/u/2436 https://blog.csdn.net/shlei5580
Links
Latest Contributions
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Script for obtaining the application IP addresses corresponding to each Oracle database instance using netstat
Sep 12, 2025 - Blog post -
Database 19c
Database
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Oracle libraries regularly back up table structure metadata information to the target backup script
Aug 20, 2025 - Blog post - Oracle training course
Database
Backup and Recovery
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