# Heterogeneous


 The object containing details about heterogeneous database preferences. 

## Contents


 ** targetDatabaseEngine **   <a name="migrationhubstrategy-Type-Heterogeneous-targetDatabaseEngine"></a>
 The target database engine for heterogeneous database migration preference.   
Type: Array of strings  
Array Members: Fixed number of 1 item.  
Valid Values: `None specified | Amazon Aurora | AWS PostgreSQL | MySQL | Microsoft SQL Server | Oracle Database | MariaDB | SAP | Db2 LUW | MongoDB`   
Required: Yes

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/migrationhubstrategy-2020-02-19/Heterogeneous) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/migrationhubstrategy-2020-02-19/Heterogeneous) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/migrationhubstrategy-2020-02-19/Heterogeneous)