# DataEncryptionMetadata
<a name="API_DataEncryptionMetadata"></a>

The settings for client-side encryption for cryptographic computing.

## Contents
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 ** allowCleartext **   <a name="API-Type-DataEncryptionMetadata-allowCleartext"></a>
Indicates whether encrypted tables can contain cleartext data (`TRUE`) or are to cryptographically process every column (`FALSE`).  
Type: Boolean  
Required: Yes

 ** allowDuplicates **   <a name="API-Type-DataEncryptionMetadata-allowDuplicates"></a>
Indicates whether Fingerprint columns can contain duplicate entries (`TRUE`) or are to contain only non-repeated values (`FALSE`).  
Type: Boolean  
Required: Yes

 ** allowJoinsOnColumnsWithDifferentNames **   <a name="API-Type-DataEncryptionMetadata-allowJoinsOnColumnsWithDifferentNames"></a>
Indicates whether Fingerprint columns can be joined on any other Fingerprint column with a different name (`TRUE`) or can only be joined on Fingerprint columns of the same name (`FALSE`).  
Type: Boolean  
Required: Yes

 ** preserveNulls **   <a name="API-Type-DataEncryptionMetadata-preserveNulls"></a>
Indicates whether NULL values are to be copied as NULL to encrypted tables (`TRUE`) or cryptographically processed (`FALSE`).  
Type: Boolean  
Required: Yes

## See Also
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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/cleanrooms-2022-02-17/DataEncryptionMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cleanrooms-2022-02-17/DataEncryptionMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cleanrooms-2022-02-17/DataEncryptionMetadata)