1. Relational Database Systems (SQL)
MySQL / MariaDB
✅ Pros
- • Excellent performance for web applications
- • Large community and extensive documentation
- • Easy to learn and implement
- • Cost-effective (open source)
- • Great replication capabilities
❌ Cons
- • Limited support for complex queries
- • Not ideal for analytical workloads
- • Storage engine limitations
- • Less advanced features than competitors
PostgreSQL
✅ Pros
- • Advanced SQL features and standards compliance
- • Excellent for complex queries and analytics
- • JSON and NoSQL capabilities
- • Strong data integrity and ACID compliance
- • Extensible with custom functions
❌ Cons
- • Higher memory usage
- • Steeper learning curve
- • Can be overkill for simple applications
- • More complex configuration
Oracle Database
✅ Pros
- • Enterprise-grade performance and reliability
- • Advanced security features
- • Comprehensive backup and recovery
- • Excellent for large-scale applications
- • Superior customer support
❌ Cons
- • Very expensive licensing costs
- • Complex administration
- • Resource-intensive
- • Vendor lock-in concerns
2. NoSQL Database Systems
MongoDB (Document DB)
✅ Pros
- • Flexible schema design
- • Excellent for rapid development
- • Handles unstructured data well
- • Built-in horizontal scaling
- • JSON-like document storage
❌ Cons
- • Limited transaction support
- • No JOIN operations
- • Memory-intensive
- • Data consistency challenges