# SchemaChangePolicy
<a name="API_SchemaChangePolicy"></a>

A policy that specifies update and deletion behaviors for the crawler.

## Contents
<a name="API_SchemaChangePolicy_Contents"></a>

 ** DeleteBehavior **   <a name="Glue-Type-SchemaChangePolicy-DeleteBehavior"></a>
The deletion behavior when the crawler finds a deleted object.  
Type: String  
Valid Values: `LOG | DELETE_FROM_DATABASE | DEPRECATE_IN_DATABASE`   
Required: No

 ** UpdateBehavior **   <a name="Glue-Type-SchemaChangePolicy-UpdateBehavior"></a>
The update behavior when the crawler finds a changed schema.  
Type: String  
Valid Values: `LOG | UPDATE_IN_DATABASE`   
Required: No

## See Also
<a name="API_SchemaChangePolicy_SeeAlso"></a>

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/glue-2017-03-31/SchemaChangePolicy) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/glue-2017-03-31/SchemaChangePolicy) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/glue-2017-03-31/SchemaChangePolicy)