PostgreSQL open-source database administration and development.
Database performance optimization, query tuning, and indexing.
Neo4j graph database for relationship-intensive applications.
MariaDB open-source relational database administration.
MongoDB NoSQL database for document-oriented applications.
Redis for in-memory caching, sessions, and real-time data.
Apache Cassandra for distributed NoSQL database at scale.
CockroachDB for distributed SQL with global consistency.
Microsoft SQL Server administration and development.
Oracle Database administration, tuning, and RAC management.
Amazon DynamoDB for serverless NoSQL on AWS.
Database migration between platforms, versions, and cloud providers.
Azure Cosmos DB for globally distributed multi-model database.
MySQL database administration, replication, and optimization.
Elasticsearch for full-text search and log analytics.
