Skip to content
View Jerry-Freelancer's full-sized avatar
  • Freelancer

Block or report Jerry-Freelancer

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Please don't include any personal information such as legal names or email addresses. Maximum 100 characters, markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
Jerry-Freelancer/README.md

🚀 Welcome to my Github Profile! 🚀

Are you in need of an experienced database expert to tackle the complexities of managing and optimizing your databases? With over 10 years of experiment across multiple database systems, I'm here to deliver top-notch solutions tailored to your needs, including database installation, backup and recovery, high availability, disaster recovery, performance optimization, data rescue and so on.

🔍 Database Expertise: With over 10 years as a senior expert in MySQL/MariaDB/Percona/PostgreSQL/MongoDB/Oracle/DuckDB, I’ve managed over 5000 databases and 300 TB+ of data. My experience covers database architecture, performance optimization, backup and recovery, High availability, disaster recovery, and much more. I ensure every database solution I deliver is robust, scalable, high performance, and perfectly aligned with your business needs.

🛠️ Technology Stack:

MySQL/MariaDB/Percona (Versions 5-9): Installation、High Availability, Replication, and Scalability Solutions、InnoDB Cluster、Group Replication、Workbench/Shell/Router、Backup & Restore、Galera Cluster、Percona XtraDB Cluster、XtraBackup、Toolkit、InnoDB/MyISAM/Binlog.

PostgreSQL (Versions 9-17): Installation、High Availability, Replication, and Scalability Solutions、SQL Tuning、pgpool-II、PostGIS、Patroni、Citus、pgvector、Security.

MongoDB (Versions 5-8): Installation、MongoDB Shell (mongosh)、Aggregation、Indexes、Atlas、Time Series、Change Streams、Replication、Sharding、Storage、Administration、Security.

Other Database : Oracle、DB2、Redis、DuckDB

Cloud service providers: AWS、GCP、Azure.

Certifications: I hold certifications from Cisco, Oracle, MySQL, AWS, ITIL, PMP, and TOGAF, ensuring I bring industry-recognized expertise to every project.

📈 Why Choose Me? Proven Experience: Worked for leading ICT and IoT solution providers, supporting major operators, banking, and financial enterprises. End-to-End Solutions: From designing high availability architectures to delivering query optimizations and backup solutions, I offer complete database management expertise. Training & Support: I also provide course training for companies looking to empower their teams with database-related skills.

🤝 Let’s Collaborate: If you’re looking for a seasoned database professional to tackle challenges in MySQL, PostgreSQL, MongoDB, Oracle, or other database technologies, let’s discuss how I can help streamline your operations and enhance performance.

📩 Contact Me: I’m ready to dive into your project. Reach out, and let’s unlock the full potential of your data infrastructure together!

Popular repositories Loading

  1. MySQL_Cases MySQL_Cases Public

    MySQL Use Cases

  2. Jerry-Freelancer Jerry-Freelancer Public

    Config files for my GitHub profile.

  3. pbt pbt Public

    Forked from BEPb/BEPb

    Config files for my GitHub profile.

    Shell

  4. mysqltool mysqltool Public

    Forked from altmannmarcelo/sdi2ddl

    Tool to parse MySQL SDI and convert into DDL

    C++

  5. ibd2sql ibd2sql Public

    Forked from ddcw/ibd2sql

    解析mysql中innodb数据文件(ibd),转换为sql. DDL和DML

    Python

  6. PostgreSQL_Cases PostgreSQL_Cases Public

    PostgreSQL Cases