# Babelfish for Aurora PostgreSQL reference
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**Topics**
+ [Supported functionalities in Babelfish by version](babelfish-compatibility.supported-functionality-table.md)
+ [Unsupported functionalities in Babelfish](babelfish-compatibility.tsql.limitations-unsupported.md)
+ [Working with Babelfish for Aurora PostgreSQL procedures](Appendix.Babelfish.Functions.md)
+ [Babelfish supports XML datatype methods](babelfish-xml-datatype-methods.md)