- 1. Responsible for database architecture design and deployment, daily operation and maintenance, monitoring, and development of data backup and recovery plans. - 2. Responsible for the daily maintenance, backup, recovery, expansion, data migration, and security management of the database, promptly troubleshooting database failures, and ensuring the reliable and stable operation of the database. - 3. Responsible for regular checks of the system database, monitoring database operation, conducting performance analysis and optimization, ensuring system data security and efficient system operation. - 4. Provide database related technical support services to the R&D team, including SQL writing specification development, guidance, review, etc.