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AWS Database Migration Service
User Guide (Version API Version 2016-01-01)

Target Data Types for Amazon DynamoDB

The Amazon DynamoDB endpoint for Amazon AWS DMS supports most Amazon DynamoDB data types. The following table shows the Amazon AWS DMS target data types that are supported when using AWS DMS and the default mapping from AWS DMS data types.

For additional information about AWS DMS data types, see Data Types for AWS Database Migration Service.

When AWS DMS migrates data from heterogeneous databases, we map data types from the source database to intermediate data types called AWS DMS data types. We then map the intermediate data types to the target data types. The following table shows each AWS DMS data type and the data type it maps to in DynamoDB:

AWS DMS Data Type DynamoDB Data Type

String

String

WString

String

Boolean

Boolean

Date

String

DateTime

String

INT1

Number

INT2

Number

INT4

Number

INT8

Number

Numeric

Number

Real4

Number

Real8

Number

UINT1

Number

UINT2

Number

UINT4

Number

UINT8 Number
CLOB String