Database Administrator
でーたべーすかんりしゃ
Industry & Occupation
Classification
Summary
Database administrators design, build, operate, and maintain databases used in corporate information systems, ensuring high availability and performance.
Description
Database Administrators (DBAs) install and configure database systems such as RDBMS and NoSQL, and are responsible for operation monitoring, performance tuning, backup and recovery, security management, and capacity planning. They perform rapid recovery during failures, regular maintenance, version upgrades, and patch applications to ensure stable system operation and data reliability. They also collaborate with development and operations teams to design and manage user permissions and access controls.
Future Outlook
With increasing data volumes and cloud migration, demand for highly specialized DBAs remains steady. Personnel with knowledge of cloud DBs and automation tools will be in even greater demand.
Personality Traits
Attentive / Calm and composed / Problem-solving oriented / Strong sense of responsibility
Work Style
Career Path
Junior DBA → Senior DBA → DB Team Leader → DB Architect → IT Manager
Required Skills
Backup and Restore / Performance Tuning / RDBMS Operation / SQL / Server Basic Operations
Recommended Skills
Cloud Database / Infrastructure as Code / NoSQL / Scripting Language
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Analytical & Logical Thinking | Logical thinking is essential for database design and query analysis. |
| Attention to Detail & Accuracy | Minor configuration errors can lead to system failures. |
| Learning Agility & Knowledge Acquisition | Continuous learning is required for new database technologies and cloud features. |
| Planning & Organization | Meticulous planning skills are required for backup and migration plans. |
| Problem Solving | Rapid root cause analysis is needed for performance issues and failures. |
| Stress Tolerance | Rapid response is required during emergencies such as failure handling. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Physical Stamina & Endurance | Mainly desk work with low physical demands. |
Related Qualifications
- Applied Information Technology Engineer Examination
- Fundamental Information Technology Engineer Examination
- Microsoft Certified: Azure Database Administrator Associate
- Oracle Certified Professional
Aliases
- DBA
- Database Administrator
- Database Engineer
Related Jobs
- Database Engineer
- Infrastructure Engineer
- Network Engineer
- System Engineer