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Amazon DynamoDB Data Types

DynamoDB supports many different data types for attributes within a table. They can be categorized as follows:

  • Scalar Types – A scalar type can represent exactly one value. The scalar types are number, string, binary, Boolean, and null.
  • Document Types – A document type can represent a complex structure with nested attributes—such as you would find in a JSON document. The document types are list and map.
  • Set Types – A set type can represent multiple scalar values. The set types are string set, number set, and binary set.
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