Responsible for the daily operation and maintenance of database, including database backup and recovery, performance tuning. Log analysis, data migration, database splitting and table splitting, solving unexpected and difficult problems. Responsible for regular database inspection, monitoring, capacity planning, security reinforcement, etc. Responsible for database operation and maintenance standardization, normalization and documentation writing and management. Responsible for developing database access code specification for R&D, and reviewing related code SQL, business requirement driven data layer architecture design and planning. Participate in the design and development of automation operation and maintenance related tools

Mainly responsible for database service availability enhancement, performance optimization, fault diagnosis, capacity planning and O&M support, etc., researching new database related technologies and applying them to production environment, formulating database O&M, development and security specifications, responsible for hardware storage planning, fault checking, daily maintenance, working with business requirements, business report maintenance and development.