Knowledge of:

• AWS global infrastructure (for example, Availability Zones, AWS Regions)
• Caching strategies and services (for example, Amazon ElastiCache)
• Data access patterns (for example, read-intensive compared with write-intensive)
• Database capacity planning (for example, capacity units, instance types, Provisioned IOPS)
• Database connections and proxies
• Database engines with appropriate use cases (for example, heterogeneous migrations, homogeneous migrations)
• Database replication (for example, read replicas)
• Database types and services (for example, serverless, relational comparedwith non-relational, in-memory)

Skills in:

• Configuring read replicas to meet business requirements
• Designing database architectures
• Determining an appropriate database engine (for example, MySQL compared with PostgreSQL)
• Determining an appropriate database type (for example, Amazon Aurora, Amazon DynamoDB)
• Integrating caching to meet business requirements

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