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AWS Certified Solutions Architect – Associate SAA-C03 · Domain 3: Design High-Performing Architectures

DynamoDB performance: partition key design, provisioned vs on-demand capacity, auto scaling and secondary indexes

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Last reviewed September 30, 2026 · Leer en español

Amazon DynamoDB delivers consistent performance at any scale, but only if the table is designed for how it will be accessed. Unlike relational databases, where you normalize entities and write whatever queries you need later, in DynamoDB you design tables around your queries. The exam tests the pieces that make or break that design: the partition key, the capacity mode, auto scaling and secondary indexes.

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