Manage, optimize, and secure enterprise databases
Database Administration is a critical role focused on managing, maintaining, and optimizing database systems that store and serve organizational data. As a database administrator (DBA), you will install and configure database systems, ensure data security and integrity, perform backups and recovery, optimize query performance, and plan for scalability. This comprehensive roadmap covers relational databases (MySQL, PostgreSQL, Oracle, SQL Server), NoSQL databases (MongoDB, Cassandra, Redis), database design and normalization, indexing strategies, replication, clustering, and disaster recovery. DBAs are essential in all industries, from finance and healthcare to e-commerce and technology. The role requires deep SQL knowledge, understanding of database internals, problem-solving skills, and attention to detail. Modern DBAs also work with cloud databases and automated database management tools.
6-8 weeks
Complex joins, subqueries, CTEs, window functions
Normalization, ER diagrams, schema design
ACID properties, isolation levels, locking
Functions, triggers, cursors
8-10 weeks
Installation, configuration, administration
InnoDB engine, replication, clustering
T-SQL, SSMS, maintenance plans
PL/SQL, RAC, Data Guard
8-10 weeks
B-tree, hash, covering indexes, index strategies
Execution plans, query rewriting, statistics
Performance metrics, slow query logs, profiling
Table partitioning, sharding strategies
8-10 weeks
Master-slave, master-master, logical replication
Failover clustering, load balancing
Full, incremental, point-in-time recovery
DR planning, RTO/RPO, testing
6-8 weeks
Users, roles, privileges, authentication
TDE, SSL/TLS, column-level encryption
Audit logs, compliance reporting
GDPR, HIPAA, PCI DSS requirements
6-8 weeks
RDS, Aurora, Cloud SQL, Azure SQL
MongoDB, Cassandra, Redis, use cases
Scripts, Ansible, infrastructure as code
CI/CD for databases, version control