DynamoDB – API Interface DynamoDB offers a wide set of powerful API tools for table manipulation, data reads, and data modification. Amazon recommends using AWS SDKs (e.g., the Java SDK) rather than calling low-level APIs. The libraries make interacting with low-level APIs directly unnecessary. The libraries simplify common tasks such as authentication, serialization, and connections. […]
Category Archives: dynamodb
DynamoDB – Querying Queries locate items or secondary indices through primary keys. Performing a query requires a partition key and specific value, or a sort key and value; with the option to filter with comparisons. The default behavior of a query consists of returning every attribute for items associated with the provided primary key. However, […]
DynamoDB – Getting Items Retrieving an item in DynamoDB requires using GetItem, and specifying the table name and item primary key. Be sure to include a complete primary key rather than omitting a portion. For example, omitting the sort key of a composite key. GetItem behaviour conforms to three defaults − It executes as an […]