SQL データベース
DynamoDB Design Patterns
DynamoDB data modeling and design patterns for AWS applications. Use when: DynamoDB table design, single-table design, DynamoDB GSI, partition key strategy, sort key design, DynamoDB query optimization, NoSQL data modeling, DynamoDB streams, DynamoDB TTL, DynamoDB transactions, batch operations, DAX caching, capacity planning, access pattern modeling, DynamoDB CDC, item collection, secondary index design, write sharding. Do NOT use when: relational database design, SQL queries, PostgreSQL schema, MySQL optimization, MongoDB queries, Redis caching, Elasticsearch indexing, general SQL joins, Oracle tuning, Cassandra ring design.