Mysql Database Administrator

Core Skills:

• MySQL:

• Administration:

  Installation, configuration, upgrades, backups/restores, user management, performance tuning, security hardening, replication, clustering (MySQL Group Replication, Galera), partitioning

• Development:

  SQL (SELECT, INSERT, UPDATE, DELETE, JOINs, subqueries, stored procedures, functions, triggers, views)

• Troubleshooting:

  Performance issues, replication errors, data corruption, security breaches

• Storage Engines:

  InnoDB, MyISAM, Memory

• High Availability & Disaster Recovery (HA/DR):

  Replication topologies, failover procedures, RTO/RPO, DR drills

• Monitoring & Alerting:

  Performance monitoring tools (e.g., MySQL Enterprise Monitor, Percona Monitoring and Management (PMM)), setting up alerts, log analysis

• Security:

  User management, access control (RBAC), encryption, data masking, security audits

• Scripting:

  Shell scripting (Bash, etc.), Python (for automation)

• Cloud Platforms (if applicable):

  AWS RDS, Azure SQL Database, Google Cloud SQL

Advanced Skills:

• Performance Optimization:

  Query optimization techniques (indexing, query rewriting, EXPLAIN plan analysis), slow query analysis, tuning server parameters

• Clustering:

  Advanced cluster configurations, troubleshooting cluster issues

• Replication:

  Advanced replication setups (multi-source replication, cascading replication)

• Database Design:

  Normalization, denormalization, data modeling, schema design

• Troubleshooting Complex Issues:

  Deep dive into performance bottlenecks, replication failures, and other critical issues