Installation and configuration on Linux/Cloud environments

Role/user management and access control policies

Automated backups and point-in-time recovery (PITR)

Partitioning, sharding, and archiving strategies

Query analysis and indexing strategies

Slow query log and execution plan review

Caching with Redis or Memcached integration

Load balancing and read replicas setup

Master-slave and multi-master setups (MySQL/PostgreSQL)

Replica sets and sharded clusters (MongoDB)

Failover configuration and heartbeat monitoring

Disaster recovery strategies and geo-redundancy

Role-based access control and password policies

Encryption at rest and in transit (SSL/TLS)

Audit logging and change tracking

Compliance-ready practices for GDPR, HIPAA, etc.